lslogins(1) — Linux manual page


LSLOGINS(1)                   User Commands                  LSLOGINS(1)

NAME         top

       lslogins - display information about known users in the system

SYNOPSIS         top

       lslogins [options] [-s|-u[=UID]] [-g groups] [-l logins]

DESCRIPTION         top

       Examine the wtmp and btmp logs, /etc/shadow (if necessary) and
       /passwd and output the desired data.

       The optional argument username forces lslogins to print all
       available details about the specified user only. In this case the
       output format is different than in case of -l or -g and unknown
       is username reported as an error.

       The default action is to list info about all the users in the

OPTIONS         top

       Mandatory arguments to long options are mandatory for short
       options too.

       -a, --acc-expiration
              Display data about the date of last password change and
              the account expiration date (see shadow(5) for more info).
              (Requires root privileges.)

       --btmp-file path
              Alternate path for btmp.

       -c, --colon-separate
              Separate info about each user with a colon instead of a

       -e, --export
              Output data in the format of NAME=VALUE.

       -f, --failed
              Display data about the users' last failed login attempts.

       -G, --supp-groups
              Show information about supplementary groups.

       -g, --groups=groups
              Only show data of users belonging to groups.  More than
              one group may be specified; the list has to be comma-
              separated.  Unknown group names are ignored.

              Note that relation between user and group may be invisible
              for primary group if the user is not explicitly specify as
              group member (e.g., in /etc/group). If the command
              lslogins scans for groups than it uses groups database
              only, and user database with primary GID is not used at

       -h, --help
              Display help information and exit.

       -L, --last
              Display data containing information about the users' last
              login sessions.

       -l, --logins=logins
              Only show data of users with a login specified in logins
              (user names or user IDS).  More than one login may be
              specified; the list has to be comma-separated.  Unknown
              login names are ignored.

       -n, --newline
              Display each piece of information on a separate line.

              Do not print a header line.

              Don't truncate output.

       -o, --output list
              Specify which output columns to print.  The default list
              of columns may be extended if list is specified in the
              format +list.

              Output all available columns.  --help to get a list of all
              supported columns.

       -p, --pwd
              Display information related to login by password (see also

       -r, --raw
              Raw output (no columnation).

       -s, --system-accs
              Show system accounts.  These are by default all accounts
              with a UID between 101 and 999 (inclusive), with the
              exception of either nobody or nfsnobody (UID 65534).  This
              hardcoded default may be overwritten by parameters
              SYS_UID_MIN and SYS_UID_MAX in the file /etc/login.defs.

       --time-format type
              Display dates in short, full or iso format.  The default
              is short, this time format is designed to be space
              efficient and human readable.

       -u, --user-accs
              Show user accounts.  These are by default all accounts
              with UID above 1000 (inclusive), with the exception of
              either nobody or nfsnobody (UID 65534).  This hardcoded
              default maybe overwritten by parameters UID_MIN and
              UID_MAX in the file /etc/login.defs.

       -V, --version
              Display version information and exit.

       --wtmp-file path
              Alternate path for wtmp.

       --lastlog path
              Alternate path for lastlog.

       -Z, --context
              Display the users' security context.

       -z, --print0
              Delimit user entries with a nul character, instead of a

EXIT STATUS         top

       0      if OK,

       1      if incorrect arguments specified,

       2      if a serious error occurs (e.g., a corrupt log).

NOTES         top

       The default UID thresholds are read from /etc/login.defs.

HISTORY         top

       The lslogins utility is inspired by the logins utility, which
       first appeared in FreeBSD 4.10.

AUTHORS         top

       Ondrej Oprala ⟨⟩
       Karel Zak ⟨⟩

SEE ALSO         top

       group(5), passwd(5), shadow(5), utmp(5)

AVAILABILITY         top

       The lslogins command is part of the util-linux package and is
       available from Linux Kernel Archive 

COLOPHON         top

       This page is part of the util-linux (a random collection of Linux
       utilities) project.  Information about the project can be found
       at ⟨⟩.  If you
       have a bug report for this manual page, send it to  This page was obtained from the
       project's upstream Git repository
       ⟨git://⟩ on
       2021-03-21.  (At that time, the date of the most recent commit
       that was found in the repository was 2021-03-19.)  If you
       discover any rendering problems in this HTML version of the page,
       or you believe there is a better or more up-to-date source for
       the page, or you have corrections or improvements to the
       information in this COLOPHON (which is not part of the original
       manual page), send a mail to

util-linux                     April 2014                    LSLOGINS(1)

Pages that refer to this page: utmp(5)