Andreas Enge 写道：
> Am Mon, Sep 26, 2022 at 06:05:31PM +0000 schrieb Gottfried:
>> gfp@Tuxedo ~$ ps -ef | grep virtlog
>> it comes up with:
>> gfp       5233  5218  0 19:45 pts/0    00:00:00 grep 
>> --color=auto virtlog
>> (the word "virtlog" is in red colour)
>> I don't know if that means virtlogd is running?
[…]
> So there is one line about grep, of no interest; and one line 
> showing that
> the thing I am interested in, in this case shepherd, is running.

It's cosmetic, but the standard trick here is to type:

  $ ps -ef | grep '[v]irtlog'

(or any other letter — 'virtlo[g]' also works if you remembered 
too late :-)

That pattern won't match itself, so grep won't show itself.

Kind regards,

T G-R