Commands and Miscellaneous Features

/spawn: Teleports you to Spawn.
/home: Teleports you to your home. Set your home with /sethome. There is a one hour cooldown on the command.
/s: Survival-friendly Spectator mode. You cannot pass through blocks, use it for x-ray, and it doesn't allow you to leave a certain radius.
Sitting: Right-click with your empty fist on any stair or slab to sit on it. Press SHIFT to stand up again.
Riding player: You can ride on the back of a player by right-clicking them with your empty fist.