Linux in w command using __linux

Overview

The W command –> to view the information of the logged-in person and their behavior. parameter -H does not display a caption. -U ignores user name when listing current process and CPU time. This is primarily the case after the SU command is executed. -S uses short mode. Does not display logon hours, JCPU (terminal stage jobs), and PCPU (program consumption) time. -F Toggles the display of the from item, which is the remote host name entry. The default value is to not display the remote host name-v display version information. Use

User: Logon username
TTY: System-assigned terminal number after login
From: remote host name, where to log in
login@: When to log in
IDLE: User idle time. This is a timer, and once the user performs any action, the timer is reset.
JCPU: Time occupied by all processes connected to the terminal. Include the current running background job occupancy time
PCPU: Elapsed time for the current process
WHAT: The command line that is currently running a process is compared to other commands

1 difference from who command, W command not only can see the user information of the login server, but also can see what these users do

2 Who am I command, display their own user name in the system, login terminal, logon time

3 WhoAmI command to display your user name in the system

4 logname command, you can display their initial login to the system username, mainly identify sudo before and after the situation

5 Last command to view the latest 1 months of user logon server
6 TTY command to view the connected device or terminal