well minecraft 1.2.3 single player is beta so there are no commands hopefully in the next version
Single player commands are needed.
no
no
you have to cyt
no
uhh... i doubt that there is one. People normally use cheats or play it regularly to get what they want on Terraria Edit: Single Player Commands are available.
You get a mod, such a Single Player Commands.
it already is
In multiplayer, commands are generally started with a "/" Single player commands have not yet been added, unless you get a mod that has commands, like WorldEdit. They will be added in the next update, 1.3.
you can install Single Player Commands and there is a freecam option.
You need the mod Single Player Commands (spc). You can find the commands on that page as well.