/tp - This command teleports you to the Player that you exchange with
/ban - Bans the account of the person.
/banip - This bans their ip so they cannot come back again.
/solid - Changes Stone to a Adminium Block. (This only works with stone.)
/kick - To kick those nasty players.
/setspawn - This is where you can manually set the spawn at start.
/say - Talk like a server announcement, or speak from the console!
copied from readme
it contains evrey command as i saw some missed in the posts above
/op <name> Ops the player with name <name>. They have to be logged in.
/deop <name> De-ops a player.
/kick <name> Kicks a player
/ban <name> Bans and kicks a player
/unban <name> Pardons a banned player
/banip <name> Bans a player by ip number. Cannot be undone ingame, you must manually change banned-ip.txt
/say <message> Broadcasts <message> across the entire server.
/setspawn Sets the current location as the default spawn location for new players
/tp <name> Teleports to a player.
/solid Switches between placing normal and placing unbreakable stone