Am 15.08.2012 16:36, schrieb Marcelo Beckmann: > Em 15-08-2012 11:22, Tony Molloy escreveu: [...] >> cat passwdfile | grep ^m | grep 850 > output [...] > ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat Because a cat is a terrible thing to waste. SCNR, T.