Shows disk space in Kbytes available on the system. A special SSC command that shows your disk usage. A special SSC command whichs sends a file to the line printer in Haines Hall. Reports the status of printer and jobs. By itself, ls shows a list of what's in the current directory.
Shows help on a specific command.
Renames a file. It's used when you want to output from the command on the left of the pipe to the command on the right of the pipe. You'll be asked to enter your old password. Shows the path of the directory that you're currently in. Removes a file or a group of files.