[ls flag] nodump [chflags flag] nodump [Owner-settable] Yes [OS support] All [Attribute] 
No dump
A r c h i v e d
O p a q u e
N o d u m p
S y s t e m a p p e n d - o n l y
S y s t e m i m m u t a b l e
U s e r a p p e n d - o n l y
U s e r i m m u t a b l e
H i d d e n