Grep command: Recursively Search All Files For A String

Grep command: Recursively Search All Files For A String cd/path/to/dir grep-r "word ". grep-r "string ". ignore case distinctions: grep-ri "word ". to display print only the filenames with GNU grep, enter: grep-r-l "foo ". you can also specify directory name: grep-r-l "foo"/path/to/dir /*. c find command: Recursively Search All Files For A String find command is recommend because of speed and ability to deal with filenames that contain spaces. cd/path/to/dir find. -type f-exec grep-l "word" {}+ find. -type f-exec grep-l "seting" {} + find. -type f-exec grep-l "foo" {}+ Older UNIX version shocould use xargs to speed up things: find/path/to/dir-type f | xargs grep-l "foo" It is good idea to pass-print0 option to find command that it can deal with filenames that contain spaces or other metacharacters: find/path/to/dir-type f-print0 | xargs-0 grep-l "foo"