Suspending processes

[mac at esl.UUCP]

In article <803 at maynard.BSW.COM> campbell at maynard.UUCP (Larry Campbell) writes:
>VENIX provides suspend(pid) and resume(pid) system calls, and 'suspend'
>and 'resume' commands.  They're so useful, and so obviously easy to
>implement, I wonder why they never got into System V or BSD.
>-- 
>Larry Campbell                                The Boston Software Works, Inc.
>Internet: campbell at maynard.uucp             120 Fulton Street, Boston MA 02109
>uucp: {alliant,wjh12}!maynard!campbell              +1 617 367 6846
>ARPA: campbell%maynard.uucp at harvisr.harvard.edu      MCI: LCAMPBELL

in BSD4.{2,3}
suspend:

# suspend a process by pid

kill -STOP pid

resume:

# resume a process by pid

kill -CONT pid 
-- 
 Michael Mc Namara                 
 ESL Incorporated                 
 ARPA: mac%esl at lll-lcc.ARPA