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boreddevnl af5eda1647 feat: Add signals, exec/wait, and FD/pipe support 
Introduce process lifecycle and POSIX-like features: add parent_pid, pgid, exited/exit_status, signal state and handlers, waitpid/reap, and an exec-replace function. Refactor file descriptor handling to use fd_kind/fd_flags with reference-counted file refs and in-process pipes; implement open/read/write/close/seek/tell/size/dup/dup2/pipe/fcntl semantics and O_* flags. Add syscall handlers for exec, waitpid, kill/signal, sigaction, sigprocmask, sigpending, meminfo/ticks and map many SYSTEM_CMD_* constants; deliver signals from the syscall path. Cleanup/terminate logic updated to free resources correctly and initialize kernel/user processes with new state. Misc: minor syscall/table renames (wallpaper), helper utilities (process_close_fd_inner, process_init_signal_state) and paging/stack handling for exec.
2026-04-20 00:03:52 +02:00
.github/workflows workflow: added a daily nightly build 2026-04-20 00:02:12 +02:00
docs doc: Add syscalls and libc refs to appdev docs 2026-04-20 00:03:05 +02:00
src feat: Add signals, exec/wait, and FD/pipe support 2026-04-20 00:03:52 +02:00
.gitignore FEAT: VFS overhaul 2026-04-12 17:53:31 +02:00
boredos.svg Tweak: Updatedscreenshot.jpg and fixed boredos.svg alignment 2026-03-16 15:59:37 +01:00
disk.img VER: 26.4.2 --> 26.4.2.1 2026-04-17 11:25:45 +02:00
LICENSE update LICENSE 2026-03-16 15:21:17 +01:00
limine.conf enable verbose by default 2026-04-15 10:59:44 +02:00
linker.ld Fancier limine and WAY faster boot 2026-02-26 22:11:46 +01:00
Makefile FIX: use dsound instead of coreaudio for run-windows in the Makefile 2026-04-19 20:41:21 +02:00
NOTICE READ THIS!!! 2026-02-28 00:05:57 +01:00
README.md DOC: Update project disclaimer with BrewKernel hyperlink 2026-04-17 16:00:57 +02:00
screenshot.png DOC: new screenshot in README.md 2026-04-17 09:31:08 +02:00
splash.jpg limine update 2026-03-01 18:51:54 +01:00

README.md

BoredOS

BoredOS Logo

A modern x86_64 hobbyist operating system built from the ground up.

License: GPL v3 Platform: x86_64 Status: Active Buy Me a Coffee

BoredOS is a x86_64 operating system featuring a custom Desktop Environment (DE), a dedicated Window Manager (BoredWM), and a FAT32 filesystem. It balances low-level kernel exploration with a surprisingly capable userspace.

Screenshot

Note

The screenshot above may represent a previous build and is subject to change as the UI evolves.

Features

System Architecture

  • 64-bit Long Mode: Fully utilizing the x86_64 architecture.
  • Symmetric Multi-Processing (SMP): Full support for multi-core CPUs via Limine SMP.
  • LAPIC & IPI Scheduling: Advanced interrupt handling and inter-processor communication for task distribution.
  • SMP-Safe Spinlocks: Robust kernel-wide synchronization for VFS, process management, and the GUI.
  • Multiboot2 Compliant: Bootable on real hardware and modern emulators.
  • Kernel Core: Interrupt Descriptor Table (IDT) management and a robust syscall interface.
  • Filesystem: Full FAT32 support for persistent and in-memory storage.
  • Networking: Includes the lwIP networking stack and a basic web browser.

Graphical User Interface

  • BoredWM: A custom Window Manager with drag-and-drop, mouse-centered interaction.
  • Customization: Adjustable UI to suit your aesthetic.
  • Media Support: Built-in image decoding. (PNG, GIF, JPEG, TGA, BMP)

Included Applications

  • Productivity: GUI Text Editor calculator, Markdown Viewer, a simple browser and BoredWord.
  • Creativity: A Paint application.
  • Utilities: Terminal, Task Manager, File Explorer, Clock and a (limited) C Compiler.
  • Games: Minesweeper and DOOM.

📚 Documentation

Explore the internal workings of BoredOS via our comprehensive guides in the docs/ directory.

Support the Journey

If you find this project interesting or helpful, consider fueling the development with a coffee!

Buy Me A Coffee

Project Disclaimer & Heritage

BoredOS is the successor to BrewKernel, a project initiated in 2023.

While BrewKernel served as the foundational learning ground for this OS, it has been officially deprecated and archived. It no longer receives updates, bug fixes, or pull request reviews. BoredOS represents a complete architectural reboot, applying years of lessons learned to create a cleaner, more modular, and more capable system.

Important

Please ensure all issues, discussions, and contributions are directed to this repository. Legacy BrewKernel code is preserved for historical purposes only and is not compatible with BoredOS.

Contributors

  • BoredDevNL — Project creator and lead maintainer.
  • Lluciocc — Contributor.

License

Copyright (C) 2023-2026 boreddevnl

Distributed under the GNU General Public License v3. See the LICENSE file for details.

Important

This product includes software developed by Chris ("boreddevnl"). You must retain all copyright headers and include the original attribution in any redistributions or derivative works. See the NOTICE file for more details.