From the NannyMUD documentation

LAST CHANGE

2000-12-09

TOPIC

NAME
        dangerlevels - A way to make sure you don't 'Undo' the wrong thing.


DESCRIPTION
	When you 'Undo' something the wizmod will consider the
	dangerlevel before doing so and if the dangerlevel is too high
	for that object it will not be destructed. Current
	dangerlevels are: 

	level:        Don't 'Undo':
        5               You.
        10              Interactive players.
        15              Linkdead players.
        20              The wizmod.
        25              Wizard castles.
        30              Board readers and other tools.
        35              Doors.
        40              Souls.
        42              Guildmarks.
        44              Clubmarks.
        45              Other autoloaders.
        50              Rooms from the room area.
        55              Invisible objects.
        60              Objects not created by you.
        65              Worn/wielded.
        70              Objects with the property "no".
        75              Living objects.
        100             Everything not covered above.


NOTE
	You can define your own danger-ratings, in wizmodlib.


EXAMPLE
	To set your dangerlevel to X, do
	modstatus dangerlevel X


SEE ALSO
        wizmodlib in std/module/wizmodlib