Running programs in the background.

I installed Geant4 on the remote machine due to the computing power. I really want to do simulation without the ssh connection.

• nohup ./xcoffee ./macro/detector.mac < /dev/null &
  nohup: appending output to `nohup.out'
  :> The output can be saved into nohup.out file
• nohup ./xcoffee ./macro/detector.mac < /dev/null >& /dev/null &
  :> nothing can be saved.
  

The green commands give me no hang out when I am trying to log out the remote machine. There are two useful references as

• http://www.snailbook.com/faq/background-jobs.auto.html
• http://en.wikipedia.org/wiki/Nohup