Find in files, recursively 

grep -rn 'nameserver' /etc 2>/dev/null

February 19, 2012 — atpessoa

Explanation

  • -r make a search recursively;
  • -n print line numbers;
  • -H is not need, is default;

Limitations

  • -i use for case insensitive search;
file-search text-search
grep

Related one-liners

Find in files, recursively 

find /etc -type f -print0 2>/dev/null | xargs -0 grep --color=AUTO -Hn 'nameserver' 2>/dev/null

February 2, 2012 — openiduser21