Re: 5 Fun Linux Commands You Should Try At Least Once

rbowman <bowman@montana.com> wrote:

Okay, enough of that...  I don't use -9 but killall is handy in small
doses.

>
I use -KILL instead of -9, but if you've got a program that's gone
nuts and it's ingoring SIGTERM, what else can you do? True you
shouldn't need to use it with intended behaviour like in the
article though.
>
Another handy signal for killall is -0, which does nothing. It's
handy because you can check whether a process with a certain name
exists or not, eg.
>
$ killall -q -0 tin && echo "Tin is running"
Tin is running