osf1 man page for last

last(8) 						      System Manager's Manual							   last(8)

NAME
       last - Displays information about previous logins

SYNOPSIS
       /usr/bin/last [-n maxlines | -maxlines] [-f filename] [name...] [tty...]

FLAGS
       Reads  information  about  previous  logins from filename instead of from the accounting file /var/adm/wtmp.  Limits the output to maxlines
       number of record lines.	Limits the output to maxlines number of record lines. Provides SVID conformance, and is equivalent to -maxlines.

DESCRIPTION
       The last command displays, in reverse chronological order, all previous logins and logouts entered in the  currently  active  /var/adm/wtmp
       file.  The  list  of output records can be restricted to maxlines number of record lines if the -maxlines or the -n maxlines flag is speci-
       fied.  The last command also displays logins and logouts by the user specified with the name parameter, and logins and logouts from  termi-
       nals  specified with the tty parameter. The tty terminal references can be fully named (for example, tty0) or abbreviated (for example, 0).
       For each process, the following information is displayed according to session, with the most recent  session  listed  first:  Time  session
       began Duration of session The tty terminal on which session took place

       The following information is included when applicable: Terminations when rebooting Continuing sessions

       If  the last command is interrupted, an indication of how far the search has progressed in the /var/adm/wtmp file is provided.  If the com-
       mand is interrupted by a quit signal, an indication as to how far the search has progressed is provided, but the search continues.

       To obtain information about the mean time between reboots, use the word shutdown as the name parameter.

EXAMPLES
       The following example displays all recorded logins and logouts for user root and all recorded logins and logouts from the console terminal:
       last   root   console   The   following	 example   displays   the   time   between   system   reboots:	 %   last   shutdown  shutdown	 ~
       Fri Aug 28 17:59 shutdown  ~				Mon Aug 17 09:07

       wtmp begins Mon Aug 17 08:51 In the previous example, the shutdown pseudouser is used to list the mean time between system reboots.

FILES
       Specifies the command path.  Header file defining structures used to organize login information.  The login/logout database file.

RELATED INFORMATION
       Commands: lastcomm(8)

       Files: utmp(4), wtmp(4).  delim off

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