Oldest-Linux-Ever

Linux Initial Version With Minimal Running Environment.

Introdution

Linux 0.01 is the first release of Linux kernel，It is only around 5900 lines of ANSI C, 2500 lines of C headers and 1450 lines of i386 assembler. http://www.oldlinux.org/Linux.old/docs/history/Master.html

This is a good start of leaning Linux kernel.

This git repository contains two branches :-

Original branch which i pulled original source code linux-0.01.tar.gz.

And This Main branch which i had compilable patched kernel ver 0.01 Linux 0.01 remake. Thanks to @Abdel Benamrouche

Running Linux 0.01

This is compliable Patched version of First Kernel ever Linux 0.01.

It can be compiled with GCC on machines with Ubuntu 18.04/20.04 64 and 32 bit versions on Intel/AMD.

I uploaded updated bochsrc.bxrc so can be run in latest bochs emulator ver 2.7

I also uploaded compiled Image of Linux 0.01.img.

With Minimal working filesystem for Linux 0.01 Minimal_FS.img.

Usage

Download Source Code Oldest Linux Ever.

Build the Source code $make

Running

Unzip Images.

Run Bochs with bochsrc.bxrc and VOILAAA!

Tutorial

https://www.youtube.com/watch?v=9ccU0SFKGHs

Notes

For more modern code there is Isoux fork of Linux-0.01 is compilable using NASM assembler and LLVM's Clang compiler with a few more changes

https://github.com/isoux/linux-0.01

Thanks to

isoux. mariuz.