Possible Duplicate:
Leave bash script running on remote terminal while not logged in?
I have a bash script that runs Gaussian, a chemical structure calculator, which spends a couple days toying with a molecule. It runs on a Linux box that I load the input files and said script on to, then I (am supposed to) run it, wait a while, hope the program didn't crash, and log back on to collect the result.
Somewhat of a *nx newbie, but I can't seem to figure out how to set the script running and disconnect, while letting it continue on.
./jobscript
appears to block until it's done, and if I disconnect it terminates
./jobscript &
doesn't block, I can see it running in top, so I thought it was OK, but on logging out it apparently killed the program.
How do I set the thing to run and stay running, even if I logout?
Answer
You want to use the program screen. Here is the man page for it, and here is a nice tutorial. It should do exactly what you want it to do - execute something in the background and be able to come back to it later.
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