chflags(1) on FreeBSD
The text ce73ad069fd8, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE, FreeBSD 2.2.5-RELEASE shipped it.
change file flags
Flags it lists
-
-H -
-L -
-P -
-R