Skip to content

Linux commands: who

A quick guide to the `who` command, used to show the users logged to the system

The who command displays the users logged in to the system.

Unless you’re using a server multiple people have access to, chances are you will be the only user logged in, multiple times:

Why multiple times? Because each shell opened will count as an access.

You can see the name of the terminal used, and the time/day the session was started.

The -aH flags will tell who to display more information, including the idle time and the process ID of the terminal:

The special who am i command will list the current terminal session details:

The who command works on Linux, macOS, WSL, and anywhere you have a UNIX environment


→ Get my Linux Command Line Handbook

download all my books for free

  • javascript handbook
  • typescript handbook
  • css handbook
  • node.js handbook
  • astro handbook
  • html handbook
  • next.js pages router handbook
  • alpine.js handbook
  • htmx handbook
  • react handbook
  • sql handbook
  • git cheat sheet
  • laravel handbook
  • express handbook
  • swift handbook
  • go handbook
  • php handbook
  • python handbook
  • cli handbook
  • c handbook

subscribe to my newsletter to get them

Terms: by subscribing to the newsletter you agree the following terms and conditions and privacy policy. The aim of the newsletter is to keep you up to date about new tutorials, new book releases or courses organized by Flavio. If you wish to unsubscribe from the newsletter, you can click the unsubscribe link that's present at the bottom of each email, anytime. I will not communicate/spread/publish or otherwise give away your address. Your email address is the only personal information collected, and it's only collected for the primary purpose of keeping you informed through the newsletter. It's stored in a secure server based in the EU. You can contact Flavio by emailing flavio@flaviocopes.com. These terms and conditions are governed by the laws in force in Italy and you unconditionally submit to the jurisdiction of the courts of Italy.

Related posts about cli: