umount.crypt - unmount a dm-crypt encrypted volume

       umount.crypt will unmount directory and disassociates the underlying crypto device, and  loop  device  if
       such was used.

pam_mount                                          2008-10-09                                    umount.crypt(8)

       umount.crypt - unmount a dm-crypt encrypted volume

-f     This option is ignored (originally is "force unmount for NFS").

       -n     Do not update /etc/mtab.

       -r     Try  mounting  read-only  if  unmounting  fails.  This  option is currently not implemented and is
              ignored.

umount.crypt [-n] directory