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users: Print login names of users currently logged in
users prints on a single line a blank-separated list of user
names of users currently logged in to the current host. Each user name
corresponds to a login session, so if a user has more than one login
session, that user’s name will appear the same number of times in the
With no file argument,
users extracts its information from
a system-maintained file (often /var/run/utmp or
/etc/utmp). If a file argument is given,
that file instead. A common choice is /var/log/wtmp.
The only options are --help and --version. See Common options.
users command is installed only on platforms with the
<utmpx.h> include file or equivalent, so portable scripts
should not rely on its existence on non-POSIX platforms.
An exit status of zero indicates success, and a nonzero value indicates failure.