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  • LINUX man pages
  • Linux Man Page Viewer


    The following form allows you to view linux man pages.

    Command:

    last

    
    
    

    SYNOPSIS

           last  [-R] [-num] [ -n num ] [-adFiowx] [ -f file ] [ -t YYYYMMDDHHMMSS
           ] [name...]  [tty...]
           lastb [-R] [-num] [ -n num ] [ -f file ] [-adFiowx] [name...]  [tty...]
    
    
    

    DESCRIPTION

           Last  searches  back through the file /var/log/wtmp (or the file desig-
           nated by the -f flag) and displays a list of all users logged  in  (and
           out)  since  that  file  was  created.  Names of users and tty's can be
           given, in which case last will show only  those  entries  matching  the
           arguments.   Names  of ttys can be abbreviated, thus last 0 is the same
           as last tty0.
    
           When last catches a SIGINT signal (generated by the interrupt key, usu-
           ally control-C) or a SIGQUIT signal (generated by the quit key, usually
           control-\), last will show how far it has searched through the file; in
           the case of the SIGINT signal last will then terminate.
    
           The  pseudo user reboot logs in each time the system is rebooted.  Thus
           last reboot will show a log of all reboots since the log file was  cre-
           ated.
    
           Lastb is the same as last, except that by default it shows a log of the
           file /var/log/btmp, which contains all the bad login attempts.
    
    
    

    OPTIONS

           -f file
                  Tells last to use a specific file instead of /var/log/wtmp.
    
           -num   This is a count telling last how many lines to show.
    
           -n num The same.
    
           -t YYYYMMDDHHMMSS
                  Display the state of logins as of the specified time.   This  is
                  useful, e.g., to determine easily who was logged in at a partic-
                  ular time -- specify that time  with  -t  and  look  for  "still
                  logged in".
    
           -f file
                  Specifies a file to search other than /var/log/wtmp.
    
           -R     Suppresses the display of the hostname field.
    
           -a     Display  the  hostname in the last column. Useful in combination
                  with the next flag.
    
           -d     For non-local logins, Linux stores not only the host name of the
                  remote  host  but  its IP number as well. This option translates
                  the IP number back into a hostname.
    
           -F     Print full login and logout times and dates.
           mation in these files if they are present. This is a  local  configura-
           tion  issue. If you want the files to be used, they can be created with
           a simple touch(1) command (for example, touch /var/log/wtmp).
    
    
    

    FILES

           /var/log/wtmp
           /var/log/btmp
    
    
    

    AUTHOR

           Miquel van Smoorenburg, miquels@cistron.nl
    
    
    

    SEE ALSO

           shutdown(8), login(1), init(8)
    
                                     Jul 31, 2004                    LAST,LASTB(1)
    
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