Flags
These flags dictate what a user can/cannot do.

System Administrator [M]

All flags. Is protected from all other users.

Chat Master [m]

All flags. Can only be set/removed by System Administrator.

Master [Z]

All flags. Can only be set/removed by Chat Master or System Administrator.

Administrator [X]

Can do everything, except modify user flags. Is not protected. [ADRpFsoiIOCBbra]

Moderator [x]

Can use /rem, /ban and /unban. [Br]

OOC [z]

May not use icons and has the OOC symbol.

Protected [P]

Can only be deleted/flagged/renamed/faction by a Master or above.

Add Users [A]

Can add users with Member or OOC flags.

Delete Users [D]

Can delete users that are not Protected, Master or above.

Rename Users [R]

Can rename users that are not Protected, Master or above.

Reset Password [p]

Can reset the password for users that are not Protected, Master or above.

Change Faction [F]

Can change the faction for users that are not Protected, Master or above.

Change Flags [f]

Can change flags for users that are not Protected, Master or above.
Very powerful because a [f] user can set flags for her/himself.

Edit Settings [s]

Can edit /gui_set.php settings.

Edit Options [o]

Can edit /gui_opt.php options.

Edit Icons [i]

Can edit /gui_icon.php icons.

Edit Personal Icons [I]

Can edit the personal icons of any user.

Edit MotD [O]

Can edit the Message of the Day.

/clear [C]

Can clear the chat.

/ban & /unban [B]

Can ban and unban users.

/muban [b]

Can clear the banlist.

/rem [r]

Can remove single lines in chat.

/raw [a]

Can insert raw HTML lines in chat.

Stealth [l]

There will not be a JOIN or EXIT when the user moves in/out of the chat.

Edit Poll [V]

Can modify and clear the poll of the chat.

Faction Leader [L]

The user had leader rights over the faction s/he is in.