Ubuntu – How to use “grep” command to find text including subdirectories

command linegrep

I want to find all files which contain a specific string of text. The grep command works, but I don't know how to use it for every directory (I can only do it for my current directory). I tried reading man grep, but it didn't yield any help.

Best Answer

It would be better to use

grep -rl "string" /path


  • -r (or --recursive) option is used to traverse also all sub-directories of /path, whereas
  • -l (or --files-with-matches) option is used to only print filenames of matching files, and not the matching lines (this could also improve the speed, given that grep stop reading a file at first match with this option).