First off, this is homework and unfortunately I have to use egrep (and not with -w or anything of the like). I need my grep to return lines that have exactly 5 or 6 upper case letters. Doing ...
This isn't at all easy to explain but easy to just show. I have lines in a file such as: 100Dollars 3 IP 200Dollars 3 IP 300Dollars ...
What is the single command used to identify only the matching count of all lines within files under the /etc directory that contain the word "HOST"? I should list only the files with matches and ...