diff --git a/Makefile b/Makefile
index c25c1e7..19b87f9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
 # BoredOS Makefile
 # Target Architecture: x86_64
 # Host: macOS
+# Copyright (c) 2023-2026 Chris (boreddevnl)
+# This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+# This header needs to maintain in any file it is present in, as per the GPL license terms.
 
 CC = x86_64-elf-gcc
 LD = x86_64-elf-ld
diff --git a/boredos.iso b/boredos.iso
index 4f9edad..19ad12d 100644
Binary files a/boredos.iso and b/boredos.iso differ
diff --git a/build/about.o b/build/about.o
index c900339..97da44e 100644
Binary files a/build/about.o and b/build/about.o differ
diff --git a/build/cmd.o b/build/cmd.o
index f37afaf..bb8f11e 100644
Binary files a/build/cmd.o and b/build/cmd.o differ
diff --git a/build/disk_manager.o b/build/disk_manager.o
index 5b63bf2..86f9aa3 100644
Binary files a/build/disk_manager.o and b/build/disk_manager.o differ
diff --git a/build/dns.o b/build/dns.o
index bdf6f96..f1c7a43 100644
Binary files a/build/dns.o and b/build/dns.o differ
diff --git a/build/e1000.o b/build/e1000.o
index be8c40f..43764d5 100644
Binary files a/build/e1000.o and b/build/e1000.o differ
diff --git a/build/explorer.o b/build/explorer.o
index ba52500..04fef95 100644
Binary files a/build/explorer.o and b/build/explorer.o differ
diff --git a/build/fat32.o b/build/fat32.o
index 59647a5..0b56278 100644
Binary files a/build/fat32.o and b/build/fat32.o differ
diff --git a/build/graphics.o b/build/graphics.o
index 08dba27..9a6ee97 100644
Binary files a/build/graphics.o and b/build/graphics.o differ
diff --git a/build/http.o b/build/http.o
index 6af51a0..a9d49ef 100644
Binary files a/build/http.o and b/build/http.o differ
diff --git a/build/icmp.o b/build/icmp.o
index 11a1a99..8f96481 100644
Binary files a/build/icmp.o and b/build/icmp.o differ
diff --git a/build/idt.o b/build/idt.o
index 8372391..a679375 100644
Binary files a/build/idt.o and b/build/idt.o differ
diff --git a/build/licensewr.o b/build/licensewr.o
index 31f2d21..6f4ed23 100644
Binary files a/build/licensewr.o and b/build/licensewr.o differ
diff --git a/build/main.o b/build/main.o
index a19f2f5..c3e246a 100644
Binary files a/build/main.o and b/build/main.o differ
diff --git a/build/memory_manager.o b/build/memory_manager.o
index 2f848a3..39d00ca 100644
Binary files a/build/memory_manager.o and b/build/memory_manager.o differ
diff --git a/build/nj_kernel.o b/build/nj_kernel.o
index 87025e7..40963f2 100644
Binary files a/build/nj_kernel.o and b/build/nj_kernel.o differ
diff --git a/build/pci.o b/build/pci.o
index 321c5a1..21d7a3c 100644
Binary files a/build/pci.o and b/build/pci.o differ
diff --git a/build/platform.o b/build/platform.o
index 10da7ae..1346411 100644
Binary files a/build/platform.o and b/build/platform.o differ
diff --git a/build/ps2.o b/build/ps2.o
index c9bd481..f84b177 100644
Binary files a/build/ps2.o and b/build/ps2.o differ
diff --git a/build/rtc.o b/build/rtc.o
index 78579aa..7a2119a 100644
Binary files a/build/rtc.o and b/build/rtc.o differ
diff --git a/limine.cfg b/limine.cfg
index 93f41ba..290a623 100644
--- a/limine.cfg
+++ b/limine.cfg
@@ -1,3 +1,6 @@
+# Copyright (c) 2023-2026 Chris (boreddevnl)
+# This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+# This header needs to maintain in any file it is present in, as per the GPL license terms.
 TIMEOUT=3
 TERM_PALETTE=ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff;ffffff
 TERM_BACKGROUND=00000000
diff --git a/src/kernel/about.c b/src/kernel/about.c
index b900d1b..1595d1f 100644
--- a/src/kernel/about.c
+++ b/src/kernel/about.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "about.h"
 #include "graphics.h"
 #include "wm.h"
diff --git a/src/kernel/about.h b/src/kernel/about.h
index 2a95f71..ea19e0c 100644
--- a/src/kernel/about.h
+++ b/src/kernel/about.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef ABOUT_H
 #define ABOUT_H
 
diff --git a/src/kernel/boot.asm b/src/kernel/boot.asm
index 5305b33..f95090c 100644
--- a/src/kernel/boot.asm
+++ b/src/kernel/boot.asm
@@ -1,5 +1,7 @@
 ; 64-bit Entry Point for BoredOS
-
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 section .text
 global _start
 extern kmain
diff --git a/src/kernel/cmd.c b/src/kernel/cmd.c
index d85152b..b3cf54f 100644
--- a/src/kernel/cmd.c
+++ b/src/kernel/cmd.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "cmd.h"
 #include "graphics.h"
 #include "wm.h"
diff --git a/src/kernel/cmd.h b/src/kernel/cmd.h
index dffaaf0..c43a97c 100644
--- a/src/kernel/cmd.h
+++ b/src/kernel/cmd.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef CMD_H
 #define CMD_H
 
diff --git a/src/kernel/disk.h b/src/kernel/disk.h
index ccced27..09e4983 100644
--- a/src/kernel/disk.h
+++ b/src/kernel/disk.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef DISK_H
 #define DISK_H
 
diff --git a/src/kernel/disk_manager.c b/src/kernel/disk_manager.c
index 0c8c43f..d5baf30 100644
--- a/src/kernel/disk_manager.c
+++ b/src/kernel/disk_manager.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "disk.h"
 #include "pci.h"
 #include "memory_manager.h"
diff --git a/src/kernel/dns.c b/src/kernel/dns.c
index 08adb1b..a64a1e0 100644
--- a/src/kernel/dns.c
+++ b/src/kernel/dns.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "net_defs.h"
 #include "cmd.h"
 #include "memory_manager.h"
diff --git a/src/kernel/e1000.c b/src/kernel/e1000.c
index 3f2d7ea..3d9dae8 100644
--- a/src/kernel/e1000.c
+++ b/src/kernel/e1000.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdint.h>
 #include <stddef.h>
 #include "e1000.h"
diff --git a/src/kernel/e1000.h b/src/kernel/e1000.h
index 7d93441..79d12f3 100644
--- a/src/kernel/e1000.h
+++ b/src/kernel/e1000.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef E1000_H
 #define E1000_H
 
diff --git a/src/kernel/elf.c b/src/kernel/elf.c
index f05461c..4696ee6 100644
--- a/src/kernel/elf.c
+++ b/src/kernel/elf.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "elf.h"
 #include "fat32.h"
 #include "memory_manager.h"
diff --git a/src/kernel/elf.h b/src/kernel/elf.h
index 60e933a..06c8a34 100644
--- a/src/kernel/elf.h
+++ b/src/kernel/elf.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef ELF_H
 #define ELF_H
 
diff --git a/src/kernel/explorer.c b/src/kernel/explorer.c
index baa1ae0..ab57174 100644
--- a/src/kernel/explorer.c
+++ b/src/kernel/explorer.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "explorer.h"
 #include "graphics.h"
 #include "fat32.h"
diff --git a/src/kernel/explorer.h b/src/kernel/explorer.h
index 01500c6..0d7d19c 100644
--- a/src/kernel/explorer.h
+++ b/src/kernel/explorer.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef EXPLORER_H
 #define EXPLORER_H
 
diff --git a/src/kernel/fat32.c b/src/kernel/fat32.c
index c46f73e..edb5d62 100644
--- a/src/kernel/fat32.c
+++ b/src/kernel/fat32.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "fat32.h"
 #include "memory_manager.h"
 #include "io.h"
diff --git a/src/kernel/fat32.h b/src/kernel/fat32.h
index a130654..28f4f40 100644
--- a/src/kernel/fat32.h
+++ b/src/kernel/fat32.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef FAT32_H
 #define FAT32_H
 
diff --git a/src/kernel/font.h b/src/kernel/font.h
index 23f0596..6451237 100644
--- a/src/kernel/font.h
+++ b/src/kernel/font.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef FONT_H
 #define FONT_H
 
diff --git a/src/kernel/gdt.c b/src/kernel/gdt.c
index 0d81a1e..8ccd118 100644
--- a/src/kernel/gdt.c
+++ b/src/kernel/gdt.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "gdt.h"
 #include <stdint.h>
 #include <stddef.h>
diff --git a/src/kernel/gdt.h b/src/kernel/gdt.h
index 48df1e0..99836b0 100644
--- a/src/kernel/gdt.h
+++ b/src/kernel/gdt.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef GDT_H
 #define GDT_H
 
diff --git a/src/kernel/gdt_asm.asm b/src/kernel/gdt_asm.asm
index 4357a0b..e0e5c4d 100644
--- a/src/kernel/gdt_asm.asm
+++ b/src/kernel/gdt_asm.asm
@@ -1,3 +1,6 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 global gdt_flush
 global tss_flush
 
diff --git a/src/kernel/graphics.c b/src/kernel/graphics.c
index a52dc7c..cb9159e 100644
--- a/src/kernel/graphics.c
+++ b/src/kernel/graphics.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stddef.h>
 #include "graphics.h"
 #include "font.h"
diff --git a/src/kernel/graphics.h b/src/kernel/graphics.h
index 1f9617d..e7d64e1 100644
--- a/src/kernel/graphics.h
+++ b/src/kernel/graphics.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef GRAPHICS_H
 #define GRAPHICS_H
 
diff --git a/src/kernel/gui_ipc.h b/src/kernel/gui_ipc.h
index 62b0157..4b32746 100644
--- a/src/kernel/gui_ipc.h
+++ b/src/kernel/gui_ipc.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef GUI_IPC_H
 #define GUI_IPC_H
 
diff --git a/src/kernel/http.c b/src/kernel/http.c
index 7c32f84..cd7b485 100644
--- a/src/kernel/http.c
+++ b/src/kernel/http.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "net_defs.h"
 #include "cmd.h"
 
diff --git a/src/kernel/icmp.c b/src/kernel/icmp.c
index 09fd52a..53c61bd 100644
--- a/src/kernel/icmp.c
+++ b/src/kernel/icmp.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "net_defs.h"
 #include "cmd.h"
 #include "memory_manager.h"
diff --git a/src/kernel/icmp.h b/src/kernel/icmp.h
index db49336..331a5e0 100644
--- a/src/kernel/icmp.h
+++ b/src/kernel/icmp.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef ICMP_H
 #define ICMP_H
 
diff --git a/src/kernel/idt.c b/src/kernel/idt.c
index 60d8f02..47afcfc 100644
--- a/src/kernel/idt.c
+++ b/src/kernel/idt.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "idt.h"
 #include "io.h"
 
diff --git a/src/kernel/idt.h b/src/kernel/idt.h
index c1aa2c5..6bf85e2 100644
--- a/src/kernel/idt.h
+++ b/src/kernel/idt.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef IDT_H
 #define IDT_H
 
diff --git a/src/kernel/interrupts.asm b/src/kernel/interrupts.asm
index 2a792e4..ffe1131 100644
--- a/src/kernel/interrupts.asm
+++ b/src/kernel/interrupts.asm
@@ -1,3 +1,6 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 section .text
 global isr0_wrapper
 global isr1_wrapper
diff --git a/src/kernel/io.h b/src/kernel/io.h
index aa89156..016d10d 100644
--- a/src/kernel/io.h
+++ b/src/kernel/io.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef IO_H
 #define IO_H
 
diff --git a/src/kernel/kutils.c b/src/kernel/kutils.c
index 6d99e6c..31fc522 100644
--- a/src/kernel/kutils.c
+++ b/src/kernel/kutils.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "kutils.h"
 #include "wm.h"
 #include "io.h"
diff --git a/src/kernel/kutils.h b/src/kernel/kutils.h
index b4e20d4..2b2e0e2 100644
--- a/src/kernel/kutils.h
+++ b/src/kernel/kutils.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef KUTILS_H
 #define KUTILS_H
 
diff --git a/src/kernel/licensewr.c b/src/kernel/licensewr.c
index f153f47..704e372 100644
--- a/src/kernel/licensewr.c
+++ b/src/kernel/licensewr.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "fat32.h"
 #include <stddef.h>
 
diff --git a/src/kernel/licensewr.h b/src/kernel/licensewr.h
index e6eb9d7..bcca0ee 100644
--- a/src/kernel/licensewr.h
+++ b/src/kernel/licensewr.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef LICENSEWR_H
 #define LICENSEWR_H
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index 362aa76..93b507b 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -1,3 +1,7 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
+
 #include <stddef.h>
 #include <stdint.h>
 #include <stdbool.h>
diff --git a/src/kernel/man_entries.h b/src/kernel/man_entries.h
index 0bfabb4..324e929 100644
--- a/src/kernel/man_entries.h
+++ b/src/kernel/man_entries.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef MAN_ENTRIES_H
 #define MAN_ENTRIES_H
 
diff --git a/src/kernel/memory_manager.c b/src/kernel/memory_manager.c
index 3aa10f1..6c03f83 100644
--- a/src/kernel/memory_manager.c
+++ b/src/kernel/memory_manager.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "memory_manager.h"
 #include "io.h"
 #include <stdint.h>
diff --git a/src/kernel/memory_manager.h b/src/kernel/memory_manager.h
index cae239b..7ba01fd 100644
--- a/src/kernel/memory_manager.h
+++ b/src/kernel/memory_manager.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef MEMORY_MANAGER_H
 #define MEMORY_MANAGER_H
 
diff --git a/src/kernel/net_defs.h b/src/kernel/net_defs.h
index d7afc73..b985611 100644
--- a/src/kernel/net_defs.h
+++ b/src/kernel/net_defs.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef NET_DEFS_H
 #define NET_DEFS_H
 
diff --git a/src/kernel/network.c b/src/kernel/network.c
index 43df3e4..84f37f2 100644
--- a/src/kernel/network.c
+++ b/src/kernel/network.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdint.h>
 #include <stddef.h>
 #include "network.h"
diff --git a/src/kernel/network.h b/src/kernel/network.h
index acedd93..99d2acc 100644
--- a/src/kernel/network.h
+++ b/src/kernel/network.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef NETWORK_H
 #define NETWORK_H
 
diff --git a/src/kernel/nj_kernel.c b/src/kernel/nj_kernel.c
index 6b47ee6..4d69d51 100644
--- a/src/kernel/nj_kernel.c
+++ b/src/kernel/nj_kernel.c
@@ -1,6 +1,6 @@
-// nj_kernel.c - Kernel adapter for NanoJPEG memory functions
-// Provides njAllocMem, njFreeMem, njFillMem, njCopyMem for NJ_USE_LIBC=0 mode
-
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "memory_manager.h"
 #include <stddef.h>
 
diff --git a/src/kernel/paging.c b/src/kernel/paging.c
index 442e5dd..9143534 100644
--- a/src/kernel/paging.c
+++ b/src/kernel/paging.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "paging.h"
 #include "memory_manager.h"
 #include "platform.h"
diff --git a/src/kernel/paging.h b/src/kernel/paging.h
index e922aab..a8f42a1 100644
--- a/src/kernel/paging.h
+++ b/src/kernel/paging.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef PAGING_H
 #define PAGING_H
 
diff --git a/src/kernel/panic.c b/src/kernel/panic.c
index b3f1bab..28d4c66 100644
--- a/src/kernel/panic.c
+++ b/src/kernel/panic.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "process.h"
 #include "graphics.h"
 #include "io.h"
diff --git a/src/kernel/pci.c b/src/kernel/pci.c
index f4dc71b..5cb7b8c 100644
--- a/src/kernel/pci.c
+++ b/src/kernel/pci.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdint.h>
 #include "pci.h"
 #include "io.h"
diff --git a/src/kernel/pci.h b/src/kernel/pci.h
index 18ede63..471cd8b 100644
--- a/src/kernel/pci.h
+++ b/src/kernel/pci.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef PCI_H
 #define PCI_H
 
diff --git a/src/kernel/platform.c b/src/kernel/platform.c
index 81eb213..5977fe5 100644
--- a/src/kernel/platform.c
+++ b/src/kernel/platform.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdint.h>
 #include "limine.h"
 #include <stddef.h>
diff --git a/src/kernel/platform.h b/src/kernel/platform.h
index 092fb89..7cd6781 100644
--- a/src/kernel/platform.h
+++ b/src/kernel/platform.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef PLATFORM_H
 #define PLATFORM_H
 
diff --git a/src/kernel/process.c b/src/kernel/process.c
index 1a1b1af..92214cb 100644
--- a/src/kernel/process.c
+++ b/src/kernel/process.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "process.h"
 #include "gdt.h"
 #include "idt.h"
diff --git a/src/kernel/process.h b/src/kernel/process.h
index ee965f8..d34b22e 100644
--- a/src/kernel/process.h
+++ b/src/kernel/process.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef PROCESS_H
 #define PROCESS_H
 
diff --git a/src/kernel/process_asm.asm b/src/kernel/process_asm.asm
index 3528778..286d825 100644
--- a/src/kernel/process_asm.asm
+++ b/src/kernel/process_asm.asm
@@ -1,11 +1,11 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 global process_jump_usermode
 
 section .text
 
-; void process_jump_usermode(uint64_t entry_point, uint64_t user_stack)
-; System V AMD64 ABI:
-; RDI = entry_point
-; RSI = user_stack
+
 process_jump_usermode:
     cli
 
diff --git a/src/kernel/ps2.c b/src/kernel/ps2.c
index 72524bb..40e78ba 100644
--- a/src/kernel/ps2.c
+++ b/src/kernel/ps2.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "ps2.h"
 #include "io.h"
 #include "wm.h"
diff --git a/src/kernel/ps2.h b/src/kernel/ps2.h
index 1031df6..f8926cc 100644
--- a/src/kernel/ps2.h
+++ b/src/kernel/ps2.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef PS2_H
 #define PS2_H
 
diff --git a/src/kernel/rtc.c b/src/kernel/rtc.c
index e202274..d2c85e9 100644
--- a/src/kernel/rtc.c
+++ b/src/kernel/rtc.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "rtc.h"
 #include "io.h"
 
diff --git a/src/kernel/rtc.h b/src/kernel/rtc.h
index 87f6003..32b5a4c 100644
--- a/src/kernel/rtc.h
+++ b/src/kernel/rtc.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef RTC_H
 #define RTC_H
 
diff --git a/src/kernel/syscall.c b/src/kernel/syscall.c
index 382c416..801b2b8 100644
--- a/src/kernel/syscall.c
+++ b/src/kernel/syscall.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "syscall.h"
 #include "gdt.h"
 #include "memory_manager.h"
diff --git a/src/kernel/syscall.h b/src/kernel/syscall.h
index 0a7d7c2..e09dbf1 100644
--- a/src/kernel/syscall.h
+++ b/src/kernel/syscall.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef SYSCALL_H
 #define SYSCALL_H
 
diff --git a/src/kernel/syscalls.asm b/src/kernel/syscalls.asm
index 62cd266..05f6f7b 100644
--- a/src/kernel/syscalls.asm
+++ b/src/kernel/syscalls.asm
@@ -1,3 +1,6 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 global syscall_entry
 extern syscall_handler_c
 
diff --git a/src/kernel/tcp.c b/src/kernel/tcp.c
index 40f700c..aecde7b 100644
--- a/src/kernel/tcp.c
+++ b/src/kernel/tcp.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "net_defs.h"
 #include "cmd.h"
 #include "memory_manager.h"
diff --git a/src/kernel/test_syscall.asm b/src/kernel/test_syscall.asm
index 51c82b3..dde4d86 100644
--- a/src/kernel/test_syscall.asm
+++ b/src/kernel/test_syscall.asm
@@ -1,3 +1,6 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 global test_syscall
 section .text
 
diff --git a/src/kernel/user_test.asm b/src/kernel/user_test.asm
index 253ac16..1c51f02 100644
--- a/src/kernel/user_test.asm
+++ b/src/kernel/user_test.asm
@@ -1,3 +1,6 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 global user_test_function
 
 section .text
diff --git a/src/kernel/userland/Makefile b/src/kernel/userland/Makefile
index 2fcef83..a2bead4 100644
--- a/src/kernel/userland/Makefile
+++ b/src/kernel/userland/Makefile
@@ -1,3 +1,6 @@
+# Copyright (c) 2023-2026 Chris (boreddevnl)
+# This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+# This header needs to maintain in any file it is present in, as per the GPL license terms.
 CC = x86_64-elf-gcc
 AS = nasm
 LD = x86_64-elf-ld
diff --git a/src/kernel/userland/beep.c b/src/kernel/userland/beep.c
index 7066f7c..7ae4355 100644
--- a/src/kernel/userland/beep.c
+++ b/src/kernel/userland/beep.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/boredver.c b/src/kernel/userland/boredver.c
index 34ac26d..2340dcc 100644
--- a/src/kernel/userland/boredver.c
+++ b/src/kernel/userland/boredver.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/calculator.c b/src/kernel/userland/calculator.c
index dc39d3f..eae4ebb 100644
--- a/src/kernel/userland/calculator.c
+++ b/src/kernel/userland/calculator.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "syscall.h"
 #include "libui.h"
 #include <stdbool.h>
diff --git a/src/kernel/userland/cat.c b/src/kernel/userland/cat.c
index f6169dc..6e33bcc 100644
--- a/src/kernel/userland/cat.c
+++ b/src/kernel/userland/cat.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/cc.c b/src/kernel/userland/cc.c
index 9b093b8..d6ea46f 100644
--- a/src/kernel/userland/cc.c
+++ b/src/kernel/userland/cc.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 #include "../vm.h"
diff --git a/src/kernel/userland/clear.c b/src/kernel/userland/clear.c
index c42d28c..6a1de8b 100644
--- a/src/kernel/userland/clear.c
+++ b/src/kernel/userland/clear.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/cowsay.c b/src/kernel/userland/cowsay.c
index 5d138f3..b702c63 100644
--- a/src/kernel/userland/cowsay.c
+++ b/src/kernel/userland/cowsay.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/cp.c b/src/kernel/userland/cp.c
index ca62dfa..21b7c13 100644
--- a/src/kernel/userland/cp.c
+++ b/src/kernel/userland/cp.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/crash.c b/src/kernel/userland/crash.c
index d1c231e..8c9c965 100644
--- a/src/kernel/userland/crash.c
+++ b/src/kernel/userland/crash.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "syscall.h"
 
 int main() {
diff --git a/src/kernel/userland/crt0.asm b/src/kernel/userland/crt0.asm
index 2eca191..f77284b 100644
--- a/src/kernel/userland/crt0.asm
+++ b/src/kernel/userland/crt0.asm
@@ -1,3 +1,6 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
 ; userland/crt0.asm
 global _start
 extern main
diff --git a/src/kernel/userland/date.c b/src/kernel/userland/date.c
index 39eea87..f19a51d 100644
--- a/src/kernel/userland/date.c
+++ b/src/kernel/userland/date.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/echo.c b/src/kernel/userland/echo.c
index 0b4f26f..3c71d26 100644
--- a/src/kernel/userland/echo.c
+++ b/src/kernel/userland/echo.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/hello.c b/src/kernel/userland/hello.c
index 0f89df8..c57e67b 100644
--- a/src/kernel/userland/hello.c
+++ b/src/kernel/userland/hello.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/help.c b/src/kernel/userland/help.c
index 0237d94..96c0cf4 100644
--- a/src/kernel/userland/help.c
+++ b/src/kernel/userland/help.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/ls.c b/src/kernel/userland/ls.c
index 9cf0729..b39e0ec 100644
--- a/src/kernel/userland/ls.c
+++ b/src/kernel/userland/ls.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/man.c b/src/kernel/userland/man.c
index cae6db0..eb82125 100644
--- a/src/kernel/userland/man.c
+++ b/src/kernel/userland/man.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/markdown.c b/src/kernel/userland/markdown.c
index fce4c36..eef16cc 100644
--- a/src/kernel/userland/markdown.c
+++ b/src/kernel/userland/markdown.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "libc/syscall.h"
 #include "libc/libui.h"
 #include <stdbool.h>
diff --git a/src/kernel/userland/math.c b/src/kernel/userland/math.c
index 6fc59d4..a4b9787 100644
--- a/src/kernel/userland/math.c
+++ b/src/kernel/userland/math.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/meminfo.c b/src/kernel/userland/meminfo.c
index 3134700..1e11822 100644
--- a/src/kernel/userland/meminfo.c
+++ b/src/kernel/userland/meminfo.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/minesweeper.c b/src/kernel/userland/minesweeper.c
index bb876b7..7222bb6 100644
--- a/src/kernel/userland/minesweeper.c
+++ b/src/kernel/userland/minesweeper.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "libc/syscall.h"
 #include "libc/libui.h"
 #include <stdbool.h>
diff --git a/src/kernel/userland/mkdir.c b/src/kernel/userland/mkdir.c
index 6a3e29e..af758a3 100644
--- a/src/kernel/userland/mkdir.c
+++ b/src/kernel/userland/mkdir.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/mv.c b/src/kernel/userland/mv.c
index 9e8cdd1..9a35cc2 100644
--- a/src/kernel/userland/mv.c
+++ b/src/kernel/userland/mv.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/net.c b/src/kernel/userland/net.c
index c99a036..297186c 100644
--- a/src/kernel/userland/net.c
+++ b/src/kernel/userland/net.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/notepad.c b/src/kernel/userland/notepad.c
index 25e98ac..c7c7c19 100644
--- a/src/kernel/userland/notepad.c
+++ b/src/kernel/userland/notepad.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "libc/syscall.h"
 #include "libc/libui.h"
 #include "libc/syscall_user.h"
diff --git a/src/kernel/userland/paint.c b/src/kernel/userland/paint.c
index e0248a9..aa1b799 100644
--- a/src/kernel/userland/paint.c
+++ b/src/kernel/userland/paint.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "libc/syscall.h"
 #include "libc/libui.h"
 #include "libc/stdlib.h"
diff --git a/src/kernel/userland/pci_list.c b/src/kernel/userland/pci_list.c
index 3e2e436..faeeabc 100644
--- a/src/kernel/userland/pci_list.c
+++ b/src/kernel/userland/pci_list.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/ping.c b/src/kernel/userland/ping.c
index 9eb2d3e..1795cfe 100644
--- a/src/kernel/userland/ping.c
+++ b/src/kernel/userland/ping.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/pwd.c b/src/kernel/userland/pwd.c
index 9e3c9c4..8793ceb 100644
--- a/src/kernel/userland/pwd.c
+++ b/src/kernel/userland/pwd.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/reboot.c b/src/kernel/userland/reboot.c
index b6b9405..214afd6 100644
--- a/src/kernel/userland/reboot.c
+++ b/src/kernel/userland/reboot.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/rm.c b/src/kernel/userland/rm.c
index ff4f528..312da41 100644
--- a/src/kernel/userland/rm.c
+++ b/src/kernel/userland/rm.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/settings.c b/src/kernel/userland/settings.c
index 278057d..c532ae8 100644
--- a/src/kernel/userland/settings.c
+++ b/src/kernel/userland/settings.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "libc/syscall.h"
 #include "libc/libui.h"
 #include <stddef.h>
diff --git a/src/kernel/userland/shutdown.c b/src/kernel/userland/shutdown.c
index 3ae38d4..8825593 100644
--- a/src/kernel/userland/shutdown.c
+++ b/src/kernel/userland/shutdown.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/sweden.c b/src/kernel/userland/sweden.c
index a9e9b20..33267bb 100644
--- a/src/kernel/userland/sweden.c
+++ b/src/kernel/userland/sweden.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/touch.c b/src/kernel/userland/touch.c
index f4165b2..013092b 100644
--- a/src/kernel/userland/touch.c
+++ b/src/kernel/userland/touch.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/txtedit.c b/src/kernel/userland/txtedit.c
index fd7e3c3..8cf39f0 100644
--- a/src/kernel/userland/txtedit.c
+++ b/src/kernel/userland/txtedit.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "libc/syscall.h"
 #include "libc/libui.h"
 #include <stddef.h>
diff --git a/src/kernel/userland/uptime.c b/src/kernel/userland/uptime.c
index d4daf7a..d7ca165 100644
--- a/src/kernel/userland/uptime.c
+++ b/src/kernel/userland/uptime.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include <stdlib.h>
 #include <syscall.h>
 
diff --git a/src/kernel/userland/viewer.c b/src/kernel/userland/viewer.c
index 6ea8fb3..5582635 100644
--- a/src/kernel/userland/viewer.c
+++ b/src/kernel/userland/viewer.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "nanojpeg.h"
 #include "libc/syscall.h"
 #include "libc/libui.h"
diff --git a/src/kernel/vm.c b/src/kernel/vm.c
index 0e7b1dd..6554791 100644
--- a/src/kernel/vm.c
+++ b/src/kernel/vm.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "vm.h"
 #include "cmd.h"
 #include "memory_manager.h"
diff --git a/src/kernel/vm.h b/src/kernel/vm.h
index 6fb9c72..9b20736 100644
--- a/src/kernel/vm.h
+++ b/src/kernel/vm.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef VM_H
 #define VM_H
 
diff --git a/src/kernel/wallpaper.c b/src/kernel/wallpaper.c
index cb0a97a..f52c7cf 100644
--- a/src/kernel/wallpaper.c
+++ b/src/kernel/wallpaper.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 // wallpaper.c - Wallpaper management for BoredOS
 #include "wallpaper.h"
 #include "nanojpeg.h"
diff --git a/src/kernel/wallpaper.h b/src/kernel/wallpaper.h
index 11d4a17..7e1766c 100644
--- a/src/kernel/wallpaper.h
+++ b/src/kernel/wallpaper.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 // wallpaper.h - Wallpaper management for BoredOS
 #ifndef WALLPAPER_H
 #define WALLPAPER_H
diff --git a/src/kernel/wallpaper_data.c b/src/kernel/wallpaper_data.c
index 3d37003..cedb6de 100644
--- a/src/kernel/wallpaper_data.c
+++ b/src/kernel/wallpaper_data.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 // wallpaper_data.c - Embedded JPEG wallpaper data (actual arrays)
 #include <stdint.h>
 
diff --git a/src/kernel/wallpaper_data.h b/src/kernel/wallpaper_data.h
index 9ba6f05..27b6a51 100644
--- a/src/kernel/wallpaper_data.h
+++ b/src/kernel/wallpaper_data.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 // wallpaper_data.h - Embedded JPEG wallpaper data (declarations only)
 #ifndef WALLPAPER_DATA_H
 #define WALLPAPER_DATA_H
diff --git a/src/kernel/wm.c b/src/kernel/wm.c
index b2075ec..0b18924 100644
--- a/src/kernel/wm.c
+++ b/src/kernel/wm.c
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #include "wm.h"
 #include "graphics.h"
 #include "io.h"
diff --git a/src/kernel/wm.h b/src/kernel/wm.h
index e651938..5d8f8f3 100644
--- a/src/kernel/wm.h
+++ b/src/kernel/wm.h
@@ -1,3 +1,6 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
 #ifndef WM_H
 #define WM_H