I am trying to learn what I can do from linux command to processes.

The problem is, I don't have many programs to check those commands on. I can't exactly kill bash, and putting process yes in background is a death sentence.

Since I am running on a server, I can't exactly just open a program in desktop.

Is there any notepad or calculator I could open in the background, so that it shows on the list of processes and allows me to check some options? I tried to use wget but this also doesn't seem to show up in my processes, maybe the download is too fast, I don't really get the issue with it...

Thanks for your help.

  • 4
    sleep 60 & will do nothing for 60 seconds. – pLumo Apr 11 '18 at 13:57
  • you can also run yes & and type pkill yes to stop it. Although you won't see what you're writing, it will work. – pLumo Apr 11 '18 at 13:59

If you want to use yes in background, you can still do :

$ yes > /dev/null &

where > /dev/null redirects the output of the command to /dev/null.

Alternatively, you can run an infinite sleep :

$ sleep infinity &

which will run until killed


You could run a script or a utility from the command line with an appended ampersand in order to cause it to run in the background, like this:

./script.sh &

You could create a simple script that does nothing but sleep and run it in the background. A sample sleeping script could look like this:

while true; sleep 1; done
  • 2
    You can also just directly run e.g. sleep 60 & to sleep for a minute in background. If you want to sleep infinitely, use sleep infinity &. No need to write a custom script. – Byte Commander Apr 11 '18 at 14:09

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