good command to remember /?

/? {command name}

will display the details on how to use that command.
Example:
/? search

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Key binding a key to Jounal will help out when doing quests to check the map on where you need to head to next.
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When you got some ugly ass head gear...
/display head off

When you want to look your best in game
/equip legs "Subligar"