When you log in, you are in a UNIX command shell.
There are several different versions of a command shell with varying
functionality. On cmgm and pmgm, the shell is
If you have any questions about logging into the UNIX computers, click here.
Each UNIX command is a separate program that you run.
For example, if you want to list all your files,
you would type
ls which would run the ls program.
There are a lot of UNIX commands, but to do most of what you will need to do, you only have to know a few commands.