WHO(1)

πŸ’– WHO(1) πŸ’–

okay bestie, welcome to who(1), a General Commands Manual classic 🫢 this is the little cutie that tells you who's currently logged in. she's been in the game forever and she ate, no cap.


✨ NAME ✨

who β€” print information about users who are currently logged in. that's it, that's the whole personality πŸ’…


🌸 SYNOPSIS 🌸

who [OPTION]... [ FILE | ARG1 ARG2 ]

πŸ¦‹ DESCRIPTION πŸ¦‹

Print information about users who are currently logged in. literally it just tells you who's on the system rn. main character energy of "who's here" πŸŽ€


πŸ‘‘ OPTIONS πŸ‘‘

  • -a, --all β€” same as -b -d --login -p -r -t -T -u. she does ✨all of it✨
  • -b, --boot β€” time of last system boot
  • -d, --dead β€” print dead processes πŸ’€
  • -H, --heading β€” print line of column headings
  • -l, --login β€” print system login processes
  • --lookup β€” attempt to canonicalize hostnames via DNS
  • -m β€” only hostname and user associated with stdin
  • -p, --process β€” print active processes spawned by init
  • -q, --count β€” all login names and number of users logged on
  • -r, --runlevel β€” print current runlevel
  • -s, --short β€” print only name, line, and time (default)
  • -t, --time β€” print last system clock change
  • -u, --users β€” list users logged in
  • -T, --mesg β€” add user's message status as +, - or ?
  • -h, --help β€” Print help
  • -V, --version β€” Print version
  • [FILE] β€” a positional argument, she takes a file if you feel like it πŸ“
not me listing every single flag πŸ’… but yes, all of them, in order, none skipped, periodt.

⭐ VERSION ⭐

v(uutils coreutils) 0.12.0


🌈 EXAMPLES 🌈

Display the username, line, and time of all currently logged-in sessions:

who

Display all available information:

who [-a|--all]

Display all available information with table headers:

who [-aH|--all --heading]

The examples are provided by the tldr-pages project <https://tldr.sh> under the CC BY 4.0 License. Please note that, as uutils is a work in progress, some examples might fail. πŸ™ˆ


real talk: this is a work in progress situation, so if an example acts up, that's why. not her fault, she's growing 🧚

the vibe check says we're done here, and lowkey that's iconic. this page came to us from uutils coreutils 0.12.0 dated 2026-09-25 β€” mwah, stan, bye bestie πŸ’œβœ¨

πŸ“¦ where this page comes from