lastlog command reports the most recent login of all users or of a given user.
NAME
lastlog - reports the most recent login of all users or of a given
user
SYNOPSIS
lastlog [options]
DESCRIPTION
lastlog formats and prints the contents of the last login log
/var/log/lastlog file. The login-name, port, and last login time
will be printed. The default (no flags) causes lastlog entries to
be printed, sorted by their order in /etc/passwd.
OPTIONS
The options which apply to the lastlog command are:
-b, --before DAYS
Print only lastlog records older than DAYS.
-h, --help
Display help message and exit.
-R, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the
configuration files from the CHROOT_DIR directory.
-t, --time DAYS
Print the lastlog records more recent than DAYS.
-u, --user LOGIN|RANGE
Print the lastlog record of the specified user(s).
The users can be specified by a login name, a numerical user
ID, or a RANGE of users. This RANGE of users can be specified
with a min and max values (UID_MIN-UID_MAX), a max value
(-UID_MAX), or a min value (UID_MIN-).
If the user has never logged in the message ** Never logged in**
will be displayed instead of the port and time.
Only the entries for the current users of the system will be
displayed. Other entries may exist for users that were deleted
previously.