Using UNIX commands

You interact with the Unix operating system by entering a command at the shell prompt.

You can look up the command in the On-line Manual for a complete description of it.

• About commands
• Did You Know?
• Where are commands located?
• Entering commands
• Redirecting standard input and output
• Connecting commands together
• Creating a command alias
• Locating a command
• Making other commands available
• Writing your own commands