More often than not, I see many players both new and old aimlessly asking around for certain commands with few, if any, replies.
Listing some basic commands off the top of my head that everyone can use to answer any future questions.
Feel free to comment with any that I may have missed and the list will be updated
All Players:
/door (Online owners of the door with keys)
/locks (Amount of locks on the door)
/buydoor (Purchase property)
/givekeys <#1-50> <name>
/deletekeys <#1-50> <name>
/stuck (When stuck and can't move)
/withdraw <$> (Near banker to withdraw money)
/deposit <$> (Near banker to deposit money
Cops:
/mrdm <name> (Check how many kills someone has past five minutes. @all for everyone)
/kickdoor (Unlocks door you are aiming at. Who Evers inside must have st least 2,500 crime)
/switch (Go between cop and civilian. You need 0 crime)
Donor:
/colors (Chat colors)
/models (Change models)
/trails <R><G><B>
/ringcolor <R><G><B>
/printercolor <R><G><B>
Supporter:
/votemute (Do not use when admin is active)
/pets (Supporter exclusive pets)