$ growisofs -Z /dev/hdc -dvd-compat -speed=4 -J -R -l -V "WTC" /mnt/iso
Executing 'mkisofs -J -R -l -V WTC /mnt/iso | builtin_dd of=/dev/hdc obs=32k seek=0'
I: -input-charset not specified, using ISO-8859-1 (detected in locale settings)
Total translation table size: 0
Total rockridge attributes bytes: 169
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 21000
181 extents written (0 MB)
/dev/hdc: "Current Write Speed" is 4.1x1352KBps.
builtin_dd: 192*2KB out @ average 0.0x1352KBps
/dev/hdc: flushing cache
/dev/hdc: updating RMA
/dev/hdc: closing disc