Alias (though not 'man alias' :) ) could work. But I prefer my way (on server) because I have one thing less to worry about, namely putting 'alias ack=ack-grep'

Alias (though not 'man alias' :) ) could work. But I prefer my way (on server) because I have one thing less to worry about, namely putting 'alias ack=ack-grep' to .bash_aliases. Yeah, it's quick and dirty I guess...