Rsync
Rsync is an amazing utility to copy (or sync) stuff from one place to another without having to worry about the command getting cut. With a plain cp, an interrupted transfer means starting over from scratch. Rsync compares source and destination, skipping files that are already there, and with --partial it can even resume a file that was only halfway through. It can also remember ownership and permissions, and even copy over ssh. That is, with the right flags, which I can never remember. Hence this post. ...