Logname

logname shows the current login name.

Provided by

Most (all?) Linux distributions incorporate this from the GNU Coreutils: and use its man page

Related Commands

All of these relate to user information.

• id - dump UID and GID information.
• whoami - show effective user ID.
• groups - show groups of the current user.
• users - show who is logged in.
• who - show who is logged in from where.

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