ImprovedSource - Detaching a background process from a screen session

Detaching a background process from a screen session
by Cory Rauch 2007-11-22 Category: Linux-System

Did you ever wonder why a background process terminates when you quit a terminal session? This is because the process is attached to the terminal session.

How to detach a process

To start you first need the screen utility. You can install it in Ubuntu / Debian simply by doing a 'sudo apt-get install screen'. Next, type 'screen' and then type the command you would like to run in the background detached from your terminal session. Then hit ctrl+a followed by ctrl+d to detach. The process will be running and you can log out without affecting its execution. To return to the process in the background type 'screen -r'.

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