How to tell if a process exists

[Vicki Brown]

In article <7733 at amelia.nas.nasa.gov> samlb at pioneer.arc.nasa.gov.UUCP (Sam Bassett RCS) writes:
>In article <1823 at necisa.ho.necisa.oz> boyd at necisa.ho.necisa.oz (Boyd Roberts) writes:
>>Wrong.  RTFM --  kill(pid, 0)
>
>	Hmmm -- must be running Reverse Polish Unix down under, 'cause my
>manual sez: " kill [-sig] processid... ", and I've been doing it that way
>for a looooooooong time.
>
>	What kind of UNIX _are_ you running??

  --->   C   <---  		( man 2 kill 8^)
   Vicki Brown   A/UX Development Group		Apple Computer, Inc.
   Internet: vlb at apple.com			MS 58A, 10440 Bubb Rd.	
   UUCP: {sun,amdahl,decwrl}!apple!vlb		Cupertino, CA  95014 USA
              Ooit'n Normaal Mens Ontmoet?  En..., Beviel't?
          (Did you ever meet a normal person?  Did you enjoy it?)