buy
Purchase commodities from the world market
market
Report current selling prices in the world market
reset
Reset the price of a product on the market
sell
Sell commodities on the world market
set
Establish price for a ship, plane or land unit
trade
Buy planes/ships/land units
For info on a particular subject, type "info <subject>" where <subject> is one of the subjects listed above. Subjects marked by * are the most important and should be read by new players.