chuy@ubuntu:~/prog$ dvd+rw-mediainfo /dev/dvdrw1
INQUIRY:                [HL-DT-ST][DVDRAM GSA-4167B][DL10]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         10h, DVD-ROM
 Speed Descriptor#0:    02/404849 R@2.5x1385=3503KB/s W@6.1x1385=8467KB/s
 Speed Descriptor#1:    02/404849 R@2.5x1385=3503KB/s W@5.1x1385=7056KB/s
 Speed Descriptor#2:    02/404849 R@2.5x1385=3503KB/s W@4.1x1385=5645KB/s
 Speed Descriptor#3:    02/404849 R@2.5x1385=3503KB/s W@3.1x1385=4234KB/s
 Speed Descriptor#4:    02/404849 R@2.5x1385=3503KB/s W@2.0x1385=2822KB/s
 Speed Descriptor#5:    02/404849 R@2.5x1385=3503KB/s W@1.0x1385=1411KB/s
 Speed Descriptor#6:    02/404849 R@2.5x1385=3503KB/s W@0.5x1385=706KB/s
READ DVD STRUCTURE[#0h]:
 Media Book Type:       00h, DVD-ROM book [revision 0]
 Legacy lead-out at:    1962720*2KB=4019650560
DVD-ROM media detected, exiting...


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chuy@ubuntu:~/prog$ file -s /dev/dvdrw1
/dev/dvdrw1: symbolic link to `scd0'
chuy@ubuntu:~/prog$ file -s /dev/scd0
/dev/scd0: UDF filesystem data (version 1.5) 'FIGHT_CLUB                     '