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● updated 19mo agonightly-2024-07-12 · 2024-07-12★ 1,29215 open issues
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README
The Lemon Operating System
Lemon OS is a UNIX-like 64-bit operating system written in C++. If you have any questions or concerns feel free to open a GitHub issues or email me at computerfido@gmail.com.
(https://lemonos.org)
Prebuilt Image
Building
See Building Lemon OS with Docker (Recommended) or Building Lemon OS
Features
- Symmetric Multiprocessing (SMP)
- UNIX Domain Sockets
- Window Manager/Server (LemonWM)
- Graphical Shell
- Terminal Emulator
- Writable Ext2 Filesystem
- IDE and AHCI Driver
- Dynamic Linking
- Intel 8254x Ethernet Driver
- Ports including Freetype, Binutils and Python 3.8
- mlibc C Library Port
- GnuBoy Port
- DOOM Port
Work In Progress
- Network Stack
- NVMe Driver
- XHCI Driver
System requirements
- 256 MB RAM (512 is more optimal)
- x86_64 Processor
- 2 cores/CPUs recommended
- I/O APIC
- ATA or AHCI disk (AHCI strongly recommended)
Repo Structure
| Directory | Description |
|---|---|
| Applications/ | Userspace Applications |
| Base/ | Files copied to disk |
| Documentation/ | Lemon OS Documentation |
| Extra/ | (Currently) vector icons |
| Kernel/ | Lemon Kernel |
| LibLemon/ | LibLemon (Lemon API) |
| Toolchain/ | Cross Compiler Patches |
| Ports/ | Build scripts and patches for ports |
| Resources/ | Images, fonts, etc. |
| Scripts/ | Build Scripts |
| Screenshots/ | Screenshots |
| System/ | Core system programs and services |
Core symbols most depended-on inside this repo
Warning
called by 201
Kernel/src/logging.cpp
Info
called by 150
Kernel/src/logging.cpp
GetCurrentProcess
called by 127
Kernel/include/arch/x86_64/scheduler.h
get_length
called by 112
Kernel/include/list.h
strlen
called by 109
Kernel/src/string.cpp
size
called by 86
Kernel/include/vector.h
add_back
called by 81
Kernel/include/list.h
strcpy
called by 80
Kernel/src/string.cpp
Shape
Languages
C++99%
C1%
Modules by API surface
Kernel/src/arch/x86_64/syscalls.cpp87 symbols
Kernel/include/nvme.h39 symbols
Kernel/src/fs/ext2.cpp35 symbols
LibLemon/src/gui/widgets.cpp33 symbols
Kernel/include/xhci.h33 symbols
Kernel/include/list.h33 symbols
LibLemon/include/lemon/gui/widgets.h32 symbols
InterfaceCompiler/main.cpp26 symbols
Kernel/src/net/socket.cpp24 symbols
Kernel/include/arch/x86_64/pci.h24 symbols
Kernel/src/fs/filesystem.cpp23 symbols
LibLemon/src/gui/window.cpp22 symbols
For agents
$ claude mcp add LemonOS \
-- python -m otcore.mcp_server <graph>