Today I learnt that grep has a '-c' switch that counts occurrences. I'll never pipe it to 'wc -l' again!
$ ps aux | grep -c adam
93
But if we use wc, we would also need to trim it:
$ ps aux | grep adam | wc -l
94
So, use -c.
Count occurrences with grep
Adam K Dean - Jul 4 '14 - 
