w

w [options ] [user ]

Print summaries of system usage, currently logged-in users, and what they are doing. w is essentially a combination of uptime , who , and ps -a . Display output for one user by specifying user .

Options

-h

Suppress headings and uptime information.

-l

Display in long format (the default).

-s

Display in short format.

-u

Print just the heading line. Equivalent to uptime . Solaris only.

-w

Same as -1 . Solaris only.