What commands do I use to claim land?

Command	Description
/claim	Create a claim where you are standing.
/trust	Gives another player permission to edit in your claim.
/untrust	Revokes any permissions granted to a player in your claim.
/untrust all	Removes all permissions for all players in your claim.
/trustlist	Lists the people you have trusted for the claim you're standing in.
/abandonclaim	Deletes the claim you're standing in.
/claimexplosions	Toggles if explosions are allowed in the claim.
/abandonallclaims	Deletes all of your claims.
/buyclaimblocks	Buy claim blocks using your balance to add to your existing claim blocks.

Adapted from GriefPrevention Wiki Commands.