Tip #22 Grepping for processes
Grepping for a process will return the grep command, this can be avoided by adding '| grep -v grep' to a command or easier in some cases altering the regular expression by adding brackets around a character.ps | grep 'ss[h]'
The regular expression 'ss[h]' matches the literal string 'ssh' when it appears in the process list, but does not accidentally match the string 'ss[h]' when it appears in the process list as 'grep ss[h]'.
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