killall - sends a signal to all processes running any of the specified commands.

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Is sudo killall -u lightdm safe?

I realized that my server has many processes runned by lightdm: Can i killall processes from lightdm? Is sudo killall -u lightdm safe?
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How to create a command script to run by clicking an icon [duplicate]

Essentially what I want to do is generate an icon so I can kill Chrome from it. I know the command I want to use is killall chrome but i want to run it from a desktop icon.
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How to kill captmon2?

I used the command top to find my active processes : top - 02:54:56 up 8:12, 3 users, load average: 1,54, 1,95, 2,46 Tasks: 237 total, 2 running, 235 sleeping, 0 stopped, 0 zombie %Cpu(s): ...
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starting and killing evince process in a loop

I have certain PDF files. I want to inspect each of them for 20 seconds. The way I was trying to do that is like following: for file in *.pdf; do echo $file; evince $file; sleep 20s; killall evince; ...
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496 views

Change Gsetting with script on Logout

System : Ubuntu Raring Ringtail (13.04) from fresh installation. Purpose : Main : Change gsetting (desktop wallpaper) with script on user logout. What's I've Done : (carefully read) I try to stop ...
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killall doesn't kill all and rarely kills, what is the command for then?

I occasionally use the killall command to kill processes. The reason why I say ocassionally is that in some cases it hasn't worked for me. A recent example was with thunderbird where there were about ...