LINUX | Files | Directories | Programs | Expressions | Utilities | Shell Scripts
Utility commands are used for common shell operations and maintenance.
The clear command clears the screen and displays the shell prompt...
The exit command exits the shell session...
The date command outputs the current date and time...
The cal command outputs a calendar...
Arguments can be added to the cal command. 7 is the month. 1970 is the year...
The who command outputs the id names of all users logged in to the system...
The whoami command outputs the id name of the local user...
The whatis command outputs a short description of any command. The name of the command is added as an argument...
The man command outputs a long manual description of any command. The name of the command is added as an argument...
Hit the space bar to scroll, or hit Q to quit the manual pages.
The lpr command prints a file to the default printer. The name of a file to be printed is added as an argument...
Manual pages can be sent to the printer instead of the screen using the | pipe operator...