fshfsinfo(1) on Linux
The text d9a28e0438a9, as Debian 13 (Trixie) shipped it. The page shows this text now.
determines information about a Hierarchical File System (HFS) volume
Flags it lists
-
-B -
-E -
-F -
-H -
-V -
-d -
-f -
-h -
-o -
-v