For me, netcat. I mostly use it for * Copying files across machines (`cat file| nc -l port` and `nc host port`) * Remote pasteboard (on OSX w/ pbcopy, `while

For me, netcat. I mostly use it for * Copying files across machines (`cat file| nc -l port` and `nc host port`) * Remote pasteboard (on OSX w/ pbcopy, `while true; do nc -l port| pbcopy; done`) Not a life changing, but I wish I know it earlier. Only if there's a way to make "remote $EDITOR" with Netcat...