UNIX is the name of an operating system used by most supercomputers and workstations today.
Several versions exist today with the same basic core of commands.
Beginning UNIX users are often overwhelmed by the number of commands they must learn quickly in order to perform simple tasks. To assist such users, this Web page contains a sampling of commonly-used UNIX commands to allow you to perform some basic and necessary operations on most any UNIX system. The system should display the on-line documentation for the anyunixcommand . UNIX is a case-sensitive environment. These commands provide information about your login, environment, terminal, machine, and system.