isovfy --version (return code: 0)
isovfy 1.1.11 (Linux)
isovfy --help (return code: 0)
isovfy: Usage: isovfy [options] image
Options:
-help, -h Print this help
-version Print version info and exit
-i filename Filename to read ISO-9660 image from
dev=target SCSI target to use as CD/DVD-Recorder
If neither -i nor dev= are speficied, <image> is needed.