Function Description: Display the current login system http://www.aliyun.com/zixun/aggregation/10619.html "> user information."
Syntax: w [-fhlsuv][user name]
Supplementary note: The implementation of this directive will tell the users who are currently logged into the system and the procedures they are implementing. Separate execution W
Directive displays all users, you can also specify a user name and display only information about a user.
Parameters:
-F turns on or off to show where the user is logged into the system.
-H does not display header information columns for each field.
-L uses a detailed format list, which is a preset value.
-S uses a concise format list, which does not display the user login time, the terminal stage job and the CPU time consumed by the program.
-U ignores the name of the executing program and the information that the program consumes CPU time.
-V Displays version information.