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ZNOL(1)								       ZNOL(1)

NAME
       znol - notify via Zephyr upon login or logout of interesting people

SYNOPSIS
       znol [ on|off ] [ -f file ] [ -u username ] [ -l ] [ -q ]

DESCRIPTION
       Znol  provides  a  way for you to be notified when "interesting" people
       log in or out.  It  uses	 the  Zephyr(1)	 Notification  Service,	 which
       causes a message to appear on your screen for every person specified in
       a namelist (which defaults to $HOME/.anyone).  The namelist should have
       one  login  name	 per line.  Any line starting with `#' is considered a
       comment and ignored.  Anyone in the namelist who is logged in when znol
       is  executed  is	 printed to stdout.  The control arguments are as fol‐
       lows:

       on|off	   Turns notification on or off.

       -f	   The namelist file is taken to be file.   If	file  is  "-",
		   then	 the standard input is used instead of a file. If file
		   does not exist, an  error  message  is  printed,  and  znol
		   exits.  This option may not be used in conjunction with the
		   -u option.

       -l	   Causes znol to just list the people in the namelist who are
		   currently  logged in, without subscribing to the login mes‐
		   sages.   This option may not be used	 in  conjunction  with
		   the -q option.

       -q	   Disables printing who is currently logged in when subscrib‐
		   ing.	 This option may not be used in conjunction  with  the
		   -l option.

       -u	   Instead  of	reading	 a  file  to specify the "interesting"
		   users, the next argument is used as the only	 "interesting"
		   user.   This option may not be used in conjunction with the
		   -f option.

EXAMPLES
	    znol
       reads the standard namelist file, prints the  locations	of  any	 users
       named  therein  which  can be found on the system, and enters subscrip‐
       tions for notices about those users.
	    znol -l -u foo
       prints the location (if visible) of the user 'foo'.

FILES
       $HOME/.anyone

SEE ALSO
       anyone(SIPB),   nol(SIPB),   zctl(1),   zephyr(1),   zwgc(1),   zhm(8),
       zephyrd(8)
       Project	Athena Technical Plan Section E.4.1, `Zephyr Notification Ser‐
       vice'

AUTHOR
       Robert S. French (MIT-Project Athena)

RESTRICTIONS
       Copyright (c) 1987,1988 by the Massachusetts Institute  of  Technology.
       All Rights Reserved.
       zephyr(1) specifies the terms and conditions for redistribution.

MIT Project Athena		 July 1, 1988			       ZNOL(1)

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