who

Linux · Users and permissions · available in the simulator

What it does

Show who is logged on.

Syntax

who [opciones]

Options and parameters

• -a

  Display all available information.

• -b

  Display time of last system boot.

• -q

  Quick format; display only login names and count.

• -u

  List idle time for each user session.

Usage examples

• who
• who -a
• who -b

Related commands

• addgroup
• adduser
• chgrp
• chmod
• chown
• delgroup