"Check pointing" on BSD Unix (or Ultrix)

[Steven Winikoff]

In article <1326 at utkcs2.cs.utk.edu> battle at alphard.cs.utk.edu (David Battle) writes:
>Does anyone out there know of any way to "check point" a process
>under BSD unix?  In particular I am interested in a way to do it on
>a Ultrix VAX and possibly on a DECStation 3100.
>
>What I would like to be able to do would be to stop a running process,
>save it's core image to a file (similar to what gcore(1) does), kill
>the original process, and then later (like, say, after rebooting)
>restart the process from the saved core image.

I'm interested too!  Please post if you have any information that may 
help.  

On a related topic, is it necessary to enter single-user mode to do
full backups using cpio?
------------------------------------------------------------------------
Steven Winikoff                                 smw at maxwell.concordia.ca
Software Analyst
Concordia University Computer Centre            voice: (514) 848-7619
Montreal, Quebec, Canada                               (10:00-18:00 EST)