UNIX is a multi-user
operating system; in other words it allows more than one user to have
access to a computer at the same time. The users share the computer’s
various resources amongst them. This PDF covers the following topics
related to Unix : Introduction, Directory Structure/Hierarchy, First
Commands, Wildcards and a useful feature, Copying and Moving Files, More
about more, cat, and piping, Shells, Text editors.
Author(s): Alan Reed, Aslam Ghumra, Chris Bayliss,
and Jenny Harrison, University of Birmingham
This note covers the following topics:
basic background in Unix structure, knowledge of getting started, directory
navigation and control, file maintenance and display commands, shells, Unix
features, text processing.