Week 4 notes

Concepts

Shells - A shell is the primary interface to the kernel. There are many shells... /bin/sh, /bin/csh, /bin/zsh, /bin/bash, /bin/ksh

Scripts - A list of commands run from a text file. Programs or even other scripts can be run from scripts.

More usefull commands for scripts.

Borne shell

Borne shell built in commands

Borne shell commands /bin/sh