Here are the Commands:
::help
::home
::players
::joinchat [playername]
::c [clan message]
::newname[new clan name]
::goinhouse [playername]
::whereis [playername]
To get started, change your outfit and hair style in the northern part of grand exchange.
Most shops are located there in the grand exchange.
To duel someone just right click them and select duel.
To enter the wilderness go to the southern part of Grand exchange and enter the portal.
To train skills, click the skill tab and any skill you want to train. It will then teleport you to a training area of that skill.
Hope that helps!