mount_cd9660(8) on FreeBSD
The text e8c3a3703fc0, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.
mount an ISO-9660 filesystem
Flags it lists
-
-e -
-g -
-o -
-r