w
Show logged-in users and their activity
TLDR
Display information about all users who are currently logged in
$ w
Display information about a specific user
$ w [username]
Display logged-in user information without a header
$ w [[-h|--no-header]]
Display information without including the login, JCPU, and PCPU columns
$ w [[-s|--short]]
SYNOPSIS
w [options] [user]
PARAMETERS
-h
Don't print header
-u
Ignore username while calculating current process
-s
Short format
-f
Toggle FROM field
-i
Show IP addresses
DESCRIPTION
w displays information about the users currently on the machine and their processes. The header shows the current time, how long the system has been running, how many users are currently logged on, and the system load averages.
CAVEATS
Shows terminal sessions only. FROM may be truncated.
