NachOS

Nachos (Not Another Completely Heuristic Operating System), designed by Thomas Anderson at UC Berkeley in 1992, is an educational operating system that some components can be implemented by users, including threads and concurrency, multiprogramming, system calls, virtual memory, software-loaded TLB's, file systems, network protocols, remote procedure call, and distributed systems.

Installation

• Environment: Ubuntu 14.04.6 LTS 32-bit

1. Install C Shell: sudo apt-get install csh

2. Install G++: sudo apt-get install g++

3. Download Nachos 4.0 & Cross-compiler

4. Decompressing:

   $ tar -zxvf nachos-4.0.tar.gz
   $ sudo mv mips-x86.linux-xgcc.tar.gz /
   $ sudo mv mips-decstation.linux-xgcc.gz /
   $ cd /
   $ sudo tar -zxvf /mips-x86.linux-xgcc.tar.gz
   $ sudo tar -zxvf /mips-decstation.linux-xgcc.gz
   

Building

$ cd ~/nachos-4.0/code
$ make