OOZZY / shell

A simple Unix shell.

shell

A simple Unix shell.

Features

• External programs can be executed in the background
  • <command> & will execute the given command in the background
• Shell builtins
  • exit will exit the shell session
  • pwd will print the current working directory
  • cd <directory> will change the current working directory to the given directory
  • history will print the command history
    • The command history can also be printed by pressing Control-C
• Command history
  • Remembers only the last 10 commands of the current shell session
• History expansion
  • !n will execute the nth command in the command history
  • !! will execute the previous command

Build Requirements

• GNU make
• C99 compiler (Makefile uses gcc by default)
• Unix-like environment (Linux, FreeBSD, Cygwin, etc.)

Clone, Build, and Run

Clone into shell directory.

$ git clone --branch develop <url/to/shell.git>

Build.

$ cd shell
$ make

Run.

$ ./shell