> cd /usr/bin/
> grep grep grep
Binary file grep matches
It's nice to know that there is indeed a grep in grep when you grep grep for grep.
[10:37 PM] 97Mb$ strings `which grep`|grep grep `egrep' means `grep -E'. `fgrep' means `grep -F'. Direct invocation as either `egrep' or `fgrep' is deprecated. egrep fgrep bug-grep@gnu.org GNU grep http://www.gnu.org/software/grep/ others, see <http://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS>;