


W(1)		Linux Programmer's Manual		W(1)


NNAAMMEE
       w - Show who is logged on and what they are doing.

SSYYNNOOPPSSIISS
       w -[hls]

DDEESSCCRRIIPPTTIIOONN
       ww  displays  information	about the users currently on the
       machine, and their processes.  The header shows,	in  this
       order,	the  current  time,  how long the system has been
       running, how many users are currently logged on,	and  the
       system load averages for the past 1, 5, and 15 minutes.

       The  following  entries are displayed for each user: login
       name, the tty name, login time, idle time, JCPU, PCPU, and
       the command line of their current process.

       The  JCPU time is the time used by all processes and their
       children, attached to the tty.  The PCPU time is the  time
       used by the current process.



CCOOMMMMAANNDD--LLIINNEE OOPPTTIIOONNSS
       --hh   Don't print the header.

       --ll   Use the long format. This is the default.

       --uu   Ignores  the  username while figuring out the current
	    process and cpu times.  To	demonstrate  this,  do	a
	    "su" and do a "w" and a "w -u".

       --ss   Use	the  short  format.  Don't print the login time,
	    JCPU or PCPU times, or the arguments to  the  current
	    process name.


FFIILLEESS
       /etc/utmp  -- information about who is currently logged on
       /etc/proc -- process information


SSEEEE AALLSSOO
       free(1), ps(1), top(1), uptime(1), utmp(5), who(1)


AAUUTTHHOORRSS
       ww   was	written    by	Larry    Greenfield	(green-
       fie@gauss.rutgers.edu)	and  Michael  K.  Johnson  (john-
       sonm@stolaf.edu).







Cohesive Systems	   26 Jan 1993				1


