What is the difference between ps -ef | grep WDA and ps -ef | grep [W]DA?
43973
grep - why do brackets in grep pattern remove the grep process from ps results?
49681
What is the difference between /var/mail/XXX and /var/spool/mail/XXX
146970
grep ignoring pipe when aliased to 'grep -R'
3389
grep invading my ps
113576
What is the name of the character $\wp$?
11031
How can I grep in PDF files?
91922
How to grep (or find) on cPanel?
103003
Recursive grep vs find / -type f -exec grep {} \; Which is more efficient/faster?
50742
Can grep output only specified groupings that match?
37242
WFS Query Failing when using Logical OR
24487
What's the difference between "Service" and "/etc/init.d/"?
75288
When to use grep, less, awk, sed
970
grep for text in *.odt or *.doc files?
8298
How to find/grep what is between string1 and string2?
111920
Understanding psql prompts
116155
What does "xargs grep" do?
120210
Why do directory listings contain the current (.) and parent (..) directory?