| login | Initiates your session |
| logout | Stops all your processes |
| shutdown | Ends system operation |
| su | Changes the user ID associated with a session |
| touch | Updates the access and modification times of a file, or creates an empty file |
| id | Displays the system identifications of a specified user |
| logname | Displays login name. |
| uname | Displays the name of the current operating system |
| who | Identifies the users currently logged in |
| whoami | Displays your login name |
| passwd | Changes a user's password |
For further information on this topic, see the following
User Environment and System Information
Customizing the User Environment
Korn Shell or POSIX Shell Commands