i know all admin commands:-

/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