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NetBSD 6.1.5 - man page for last (netbsd section 1)

LAST(1) 			   BSD General Commands Manual				  LAST(1)

     last -- indicate last logins of users and ttys

     last [-n] [-nTx] [-f file] [-H hostsize] [-h host] [-L linesize] [-N namesize] [-t tty]
	  [user ...]

     last will list the sessions of specified users, ttys, and hosts, in reverse time order.
     Each line of output contains the user name, the tty from which the session was conducted,
     any hostname, the start and stop times for the session, and the duration of the session.  If
     the session is still continuing or was cut short by a crash or shutdown, last will so indi-

     The following options are available:

     -n 	    Limits the report to n lines.

     -f file	    last reads the file file instead of the default, /var/log/wtmpx or
		    /var/log/wtmp.  If the file ends with 'x', it is treated as a utmpx(5) format
		    file, else it is treated as a utmp(5) format file.	If the file is ``-'',
		    standard input is used.

     -H hostsize    Use the provided hostsize as the width to format the host name field.

     -h host	    Host names may be names or internet numbers.

     -L linesize    Use the provided linesize as the width to format the tty field.

     -N namesize    Use the provided namesize as the width to format the login name field.

     -n 	    Print host addresses numerically.  This option works only on wtmpx(5)
		    entries, and prints nothing on wtmp(5) entries.

     -T 	    Display better time information, including the year and seconds.

     -t tty	    Specify the tty.  Tty names may be given fully or abbreviated, for example,
		    ``last -t 03'' is equivalent to ``last -t tty03''.

     -x 	    Assume that the file given is in wtmpx(5) format, even if the filename does
		    not end with an 'x'.  Also useful when reading such format from standard

     If multiple arguments are given, the information which applies to any of the arguments is
     printed, e.g., ``last root -t console'' would list all of ``root's'' sessions as well as all
     sessions on the console terminal.	If no users, hostnames, or terminals are specified, last
     prints a record of all logins and logouts.

     The pseudo-user reboot logs in at reboots of the system, thus ``last reboot'' will give an
     indication of mean time between reboot.

     If last is interrupted, it indicates to what date the search has progressed.  If interrupted
     with a quit signal last indicates how far the search has progressed and then continues.

     /var/log/wtmp   login data base
     /var/log/wtmpx  login data base

     lastcomm(1), utmp(5), utmpx(5), ac(8), lastlogin(8)

     last appeared in 3.0BSD.

BSD					 October 18, 2011				      BSD

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