System Grab Bag

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who

Display who is logged in and related data (processes, boot time). More information: https://www.gnu.org/software/coreutils/who.
  • Display the username, line, and time of all currently logged-in sessions:
    who
  • Display information only for the current terminal session:
    who am i
  • Display all available information:
    who -a
  • Display all available information with table headers:
    who -a -H

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