Fast travel to your home
If you have bought a home on Adalee, /home will bring you (and only you) back inside your home.
Share your home
If you have bought a home and would like to share it with another PC, you need to be outside of it, close to the door and with your friend, use /share and clicks on your friend. You can share your house with only one PC.
Unshare your home
If you are the actual owner of the house and would like to stop sharing your house with someone else, you need to be outside of it, close to the door, and use /unshare.
Sell your home
If you have bought a home and would like to sell it (so you can buy another one, for example), you need to be outside of it, close to the door, and use /sell.
Fly
If you are a winged creature, you can use /fly and clicks somewhere within sight to fly up to that point. There is a 30 seconds cooldown.
Shadow Jump
If you are a Shadowdancer of level 4 or more, you can use /jump and clicks somewhere within sight to teleport to that point. The cooldown lessen with more Shadowdancer levels.
Wizard Float
If you are a wizard of level 17 or more, you can use /float to use a floating stance. It allows you to "walk", cast spells and also attacks (with a floating weapon). Use the command again to get back to the floor.