[Attribute] Hidden [chflags flag] hidden [Owner-settable] Yes [OS support] OS X [Semantics and rationale] File is hidden by default in the GUI (but not in ls) [ls flag] 
hidden
a r c h
o p a q u e
n o d u m p
s a p p n d
s c h g
u a p p n d
u c h g
h i d d e n