Are there any shortcuts for the !prefix command?

No, this command does not have any aliases or shortcuts.

What rank do I need to use the !prefix command?

You need the Non Admin rank or higher in HD Admin to use this command.

The !prefix command tells you what the game command prefix is.

Type ;!prefix in the chat while playing a game with HD Admin installed.

No, this command only works in games that have the HD Admin plugin installed by the game developer.

HD Admin Non Admin

This command tells you what the game command prefix is.

;!prefix

Example: ;!prefix

This command tells you what the game command prefix is. Run this command from the in-game chat by typing ;!prefix.