/friend Player.1234
/unfriend Player.1234Adds a player to your contacts list or removes them. Contacts are account-wide, so you see them online regardless of which character either of you is on.
Sends a message to the whole squad. Commanders keep a set of these ready for mechanics, breakbars and positioning so the call goes out without breaking the rotation for more than one keystroke.
/squad Breakbar up - CC now!