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Andreas Kling 1d43544e08 Kernel: Switch the first-8MB-of-upper-3GB pseudo mappings to 4KB pages 
This memory range was set up using 2MB pages by the code in boot.S.
Because of that, the kernel image protection code didn't work, since it
assumed 4KB pages.

We now switch to 4KB pages during MemoryManager initialization. This
makes the kernel image protection code work correctly again. :^)
2020-04-13 22:35:37 +02:00
.github
AK AK: Let FlyString::hash() assume that the string was already hashed 2020-04-13 12:27:05 +02:00
Applications Debugger: Add pledges 2020-04-13 00:53:22 +02:00
Base LibJS: Add console.{debug,info,warn,error}() 2020-04-12 18:42:42 +02:00
Demos Debugger: Add DebugSession 2020-04-13 00:53:22 +02:00
DevTools ProfileViewer: Switching to percent mode should take effect immediately 2020-04-12 15:23:24 +02:00
Documentation Meta: Add Arch Linux (and derivatives) build instructions 2020-04-13 17:38:27 +02:00
Games LibGUI: Add MenuBar::add_menu(name) 2020-04-04 12:58:05 +02:00
Kernel Kernel: Switch the first-8MB-of-upper-3GB pseudo mappings to 4KB pages 2020-04-13 22:35:37 +02:00
Libraries LibJS: Use HashMap::ensure_capacity() in enter_scope() 2020-04-13 17:27:25 +02:00
MenuApplets MenuApplets: Support memory usage and custom colors in ResourceGraph 2020-04-11 10:03:12 +02:00
Meta LibX86: Add an X86 instruction decoder library + basic disassembler 2020-04-11 13:16:17 +02:00
Ports Ports: Update git to 2.26.0 2020-04-13 00:46:58 +02:00
Servers WindowServer: MenuManager::handle_mouse_event() return if window is null 2020-04-09 20:00:23 +02:00
Shell Shell: Complete .hidden files if token starts with a dot 2020-04-13 00:49:24 +02:00
Tests Kernel: Demonstrate race condition in clock_nanosleep 2020-03-03 20:13:32 +01:00
Toolchain Toolchain: Make BuildQemu.sh choose the correct ui library when building on OSX 2020-04-07 08:44:41 +02:00
Userland js: Add assertNotReached() function in test mode 2020-04-13 16:28:50 +02:00
.clang-format Meta: Update .clang-format to not indent nested namespaces 2020-03-14 10:10:21 +01:00
.gitignore Demos: Add a dynamic linking demo to show off dlfcn methods 2020-01-01 17:48:41 +01:00
.travis.yml Travis: Cache toolchain 2020-03-08 14:09:08 +01:00
CODE_OF_CONDUCT.md
CONTRIBUTING.md Meta: Add feature policy to contribution guidelines 2020-03-28 10:57:09 +01:00
INSTALL.md
LICENSE Meta: Add license header to source files 2020-01-18 09:45:54 +01:00
Makefile Build: Use ccache if it's available (#1315) 2020-02-27 11:44:29 +01:00
Makefile.common Build: Build with -std=c++2a 2020-02-19 12:03:11 +01:00
Makefile.subdir
ReadMe.md Meta: Add supercomputer7 to contributor list in ReadMe 2020-04-10 14:06:29 +02:00

ReadMe.md

SerenityOS

Graphical Unix-like operating system for x86 computers.

Travis CI status

About

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. This is a system by us, for us, based on the things we like.

I (Andreas) regularly post raw hacking sessions and demos on my YouTube channel.

Sometimes I write about the system on my github.io blog.

I'm also on Patreon and GitHub Sponsors if you would like to show some support that way.

Screenshot

Screenshot as of 1133aca

Kernel features

  • x86 (32-bit) kernel with pre-emptive multi-threading
  • Hardware protections (SMEP, SMAP, UMIP, NX, WP, TSD, ...)
  • IPv4 stack with ARP, TCP, UDP and ICMP protocols
  • ext2 filesystem
  • POSIX signals
  • Purgeable memory
  • /proc filesystem
  • Pseudoterminals (with /dev/pts filesystem)
  • Filesystem notifications
  • CPU and memory profiling
  • SoundBlaster 16 driver
  • VMWare/QEMU mouse integration

System services

  • Launch/session daemon (SystemServer)
  • Compositing window server (WindowServer)
  • Text console manager (TTYServer)
  • DNS client (LookupServer)
  • Network protocols server (ProtocolServer)
  • Software-mixing sound daemon (AudioServer)
  • Desktop notifications (NotificationServer)
  • HTTP server (WebServer)
  • Telnet server (TelnetServer)

Libraries

  • C++ templates and containers (AK)
  • Event loop and utilities (LibCore)
  • 2D graphics library (LibGfx)
  • GUI toolkit (LibGUI)
  • Cross-process communication library (LibIPC)
  • HTML/CSS engine (LibWeb)
  • JavaScript engine (LibJS)
  • Markdown (LibMarkdown)
  • Audio (LibAudio)
  • PCI database (LibPCIDB)
  • Terminal emulation (LibVT)
  • Network protocols (HTTP) (LibProtocol)
  • Mathematical functions (LibM)
  • ELF file handing (LibELF)
  • POSIX threading (LibPthread)
  • Higher-level threading (LibThread)

Userland features

  • Unix-like libc and userland
  • Shell with pipes and I/O redirection
  • On-line help system (both terminal and GUI variants)
  • Web browser (Browser)
  • C++ IDE (HackStudio)
  • IRC client
  • Desktop synthesizer (Piano)
  • Various desktop apps & games
  • Color themes

How do I build and run this?

See the SerenityOS build instructions

Wanna chat?

Come hang out with us in #serenityos on the Freenode IRC network.

Author

Contributors

(And many more!) Feel free to append yourself here if you've made some sweet contributions. :)

License

SerenityOS is licensed under a 2-clause BSD license.