These are the most common commands that you will need to become familiar with when it comes to building.

wizhelp - The entire list of immortal commands available to you.

goto - Use to go to mobs, rooms, players. Examples: goto cronax : goto 3001 (temple) :

nohassle - Keeps mobs from attacking, script affects (When making scripts I recommend not using this command, you wont see the scripts, or they wont fire if your the target of them, or see it affecting others)

zpurge - Purges an entire zones contents. Example: zpurge 30 - Will purge zone 30.

zreset - Resets an entire zones contents. Example: zreset 30 - Will purge zone 30.

zlist - Lists all zones. 

rlist - Lists all the rooms in a zone. Examples: rlist - Lists the rooms in the zone your in,  rlist 30 - Lists all the rooms in zone 30.

olist - Lists all the objects in a zone. Examples: olist - Lists the objects in the zone your in,  olist 30 - Lists all the objects in zone 30.

tlist - Lists all the triggers (dg_scripts) in a zone. Examples: tlist - Lists the triggers in the zone your in,  tlist 30 - Lists all the triggers in zone 30.

redit - This command allows you to edit rooms. Examples redit - Enters the Editor for the room your currently in, redit 3001 - Enters the Room Editor for the room 3001 remotely.

medit - This command allows you to edit mobs. Examples medit 3000 -Enters the Mob Editor for the mob 3000.

oedit - This command allows you to edit objects. Examples oedit 3000 -Enters the Object Editor for the object 3000.

tedit - This command allows you to edit triggers. Examples tedit 3000 -Enters the Trigger Editor for the trigger 3000 (You need to assign it to a room, mob, object via redit, medit, oedit).

zedit - This command allows you to edit zone info (What loads in a particular room, zone name, builder, the way it resets, and reset times). Examples zedit - Enters the Zone Editor for the room your currently in, zedit 3001 - Enters the Zone Editor for the room 3001 remotely.

rclone - clones the room name, and description and settings (Not Exits) Example : rclone 3000 would clone the room your in to room numbered 3000. Handy for making mazes.