17-RH033 Red Hat Essentials and Fundamentals (Bash Scripting Language part1) By Eng.Mustafa El Zeny https://www.facebook.com/free4arab http://www.free4arab.com https://twitter.com/free4arab1 https://plus.google.com/114278484973373035289 نور الهدى لتكنولوجيا المعلومات