readcd

Usage: readcd [options]
options:
  -version print version information and exit
  dev=target SCSI target to use
  f=filename Name of file to read/write
  sectors=range Range of sectors to read/write
  speed=# set speed of drive (MMC only)
  ts=# set maximum transfer size for a single SCSI command
  -w Switch to write mode
  -c2scan Do a C2 error scan
  -fulltoc Retrieve the full TOC
  -clone Retrieve the full TOC and all data
  timeout=# set the default SCSI command timeout to #.
  debug=#,-d Set to # or increment misc debug level
  kdebug=#,kd=# do Kernel debugging
  -quiet,-q be more quiet in error retry mode
  -verbose,-v increment general verbose level by one
  -Verbose,-V increment SCSI command transport verbose level by one
  -silent,-s do not print status of failed SCSI commands
  -scanbus scan the SCSI bus and exit
  -noerror do not abort on error
  -nocorr do not apply error correction in drive
  -notrunc do not truncate outputfile in read mode
  retries=# set retry count (default is 128)
  -overhead meter SCSI command overhead times
  meshpoints=# print read-speed at # locations
  -factor try to use speed factor with meshpoints=# if possible

sectors=0-0 will read nothing, sectors=0-1 will read one sector starting from 0