Common Linux commands: W

Function Description:Displays the user information currently logged on to the system.

Syntax:W [-fhlsuv] [user name]

Note:When you run this command, you can find out who are currently logged on to the system and the programs they are running. Run W
The command displays all users. You can also specify a user name to display only information about a user.

Parameters:
-F. enable or disable the function to show where the user logs on to the system.
-H: The title information column of each column is not displayed.
-L use the detailed format list, which is the default value.
-S uses a concise format list, which does not display the User Logon Time, CPU time consumed by terminal jobs and programs.
-U ignores the name of the execution program and the CPU time consumed by the program.
-V displays the version information.