+@item -6
+indicates that the target image must use compatibility level 6 (vmdk format only)
+@item -h
+with or without a command shows help and lists the supported formats
+@end table
+
+Parameters to snapshot subcommand:
+
+@table @option
+
+@item snapshot
+is the name of the snapshot to create, apply or delete
+@item -a
+applies a snapshot (revert disk to saved state)
+@item -c
+creates a snapshot
+@item -d
+deletes a snapshot
+@item -l
+lists all snapshots in the given image