Terminal run a program in the background

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Asked 9 years, 10 months ago. Active 6 months ago. Viewed k times. Lets say my UI is having problems or for some reason, I need to boot up a program from the terminal window, say, nm-applet : nm-applet When it's started, it occupies the foreground of the terminal window. Improve this question. Nicolas Barbulesco 3 3 bronze badges. Any problems with this?

Add a comment. Active Oldest Votes. An example: setsid gnome-calculator I'm also quite partial to disown which can be used to separate a process from the current tree. Improve this answer. That's pretty much my solution for everything to make sure it forks out properly.

Running it the second time from within the xsession would end the copy bound to TTYn and would let you use that in the future if you needed it. There is probably a better way of doing it but just what comes to my mind each time I need it.

I use it to launch a mono console app in the background. With the other techniques, the mono app would crash instantly. Note to future users : creation of nohup. Show 3 more comments. That's amazing! Never knew that and you seem to be the only person to mention this. Definitly that's my favorite approach when in a Desktop Environment. Too bad I can't upvote more ;p — 7hi4g0. I was wondering why OP said closing the terminal caused his background programs to crash.

I've never tried closing a terminal by the "x" button on the window. No problem with that. Any other alternatives? At wikipedia en. I wonder how it works from a the UI when you double click an icon or program.

Then, you can issue bg to send the running process into the background. As a concluding remark, provided a process is connected to a controlling terminal, as a user, you will see several output lines of the process data as well as error messages on your terminal. Again, when you close the a controlling terminal, your process and child processes will be terminated. Importantly, for any questions or remarks on the subject, reach us by using the comment form below.

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I see this is an old post but I think my question is sort of in the ballpark. How to see the jobs running in the previous session? I have submitted jobs in nohup and logged out. After logging again if i wanna see the jobs and if I wanna kill, how to do so.

You can run this command: ps -fu username replace username with your real username OR ps -x. I am running a script that copy files from one server to 3 other servers.

So my question is can you please give me some advice how can I prevent that output from showing. Thank You in advance. Good question here. The problem may not be running the script in the background. But what about bringing a process running in the background to foreground again? Now if you simply use fg, it will bring the last process in the background job queue to foreground.

If you want to bring a certain process to the foreground, you need to specify its job id. This was a quick one but enough for you to learn a few things about running commands in background in Linux. I would advise learning nohup command as well. This command lets you run commands in background even after you log out of the session. Please enter at least 3 characters 0 results found. Abhishek Prakash. Learn how to run commands in background in Linux.

You'll also learn how to bring the background jobs back to foreground. Table of Contents. Start a Linux process in background directly If you know that the command or process is going to take a long time, it would be a better idea to start the command in background itself.

Bring a Process to Foreground in Linux Alright!