Welcome to the BeOS shell.

$ cdrecord -v dev=0,4,0 speed=12 -dummy driveropts=burnfree -data SampleData 
Cdrecord 1.11a03 (powerpc-be-beos) Copyright (C) 1995-2001 Jrg Schilling
TOC Type: 1 = CD-ROM
/boot/home/config/bin/cdrecord: WARNING: Cannot set priority on this OS.
/boot/home/config/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/boot/home/config/bin/cdrecord: Fifo not supported.
scsidev: '0,4,0'
scsibus: 0 target: 4 lun: 0
Using libscg version 'schily-0.5'
Driveropts: 'burnfree'
atapi: -1
Device type    : Removable CD-ROM
Version        : 2
Response Format: 2
Capabilities   : RELADR SYNC LINKED
Vendor_info    : 'TEAC    '
Identifikation : 'CD-W512SB       '
Revision       : '1.0C'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags   : SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R16 SAO/R96P SAO/R96R RAW/R96R
Drive buf size : 3462144 = 3381 KB
FIFO size      : 4194304 = 4096 KB
Track 01: data  350 MB
Total size:     402 MB (39:51.38) = 179354 sectors
Lout start:     402 MB (39:53/29) = 179354 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
  Is not unrestricted
  Is not erasable
  Disk sub type: Medium Type A, high Beta category (A+) (3)
  ATIP start of lead in:  -11634 (97:26/66)
  ATIP start of lead out: 359849 (79:59/74)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 3
Manufacturer: CMC Magnetics Corporation
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 180495
Starting to write CD/DVD at speed 12 in dummy mode for single session.
Last chance to quit, starting dummy write in 0 seconds. Operation starts.
BURN-Free is OFF.
/boot/home/config/bin/cdrecord: Turning BURN-Free on
Starting new track at sector: 0
Track 01: 350 of 350 MB written.
Track 01: Total bytes read/written: 367312896/367312896 (179352 sectors).
Writing  time:  276.180s
Fixating...
WARNING: Some drives don't like fixation in dummy mode.
Fixating time:   34.096s
$ cdrecord -v dev=0,4,0 speed=8 -dummy driveropts=burnfree -data SampleData
Cdrecord 1.11a03 (powerpc-be-beos) Copyright (C) 1995-2001 Jrg Schilling
TOC Type: 1 = CD-ROM
/boot/home/config/bin/cdrecord: WARNING: Cannot set priority on this OS.
/boot/home/config/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/boot/home/config/bin/cdrecord: Fifo not supported.
scsidev: '0,4,0'
scsibus: 0 target: 4 lun: 0
Using libscg version 'schily-0.5'
Driveropts: 'burnfree'
atapi: -1
Device type    : Removable CD-ROM
Version        : 2
Response Format: 2
Capabilities   : RELADR SYNC LINKED
Vendor_info    : 'TEAC    '
Identifikation : 'CD-W512SB       '
Revision       : '1.0C'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags   : SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R16 SAO/R96P SAO/R96R RAW/R96R
Drive buf size : 3462144 = 3381 KB
FIFO size      : 4194304 = 4096 KB
Track 01: data  350 MB
Total size:     402 MB (39:51.38) = 179354 sectors
Lout start:     402 MB (39:53/29) = 179354 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
  Is not unrestricted
  Is not erasable
  Disk sub type: Medium Type A, high Beta category (A+) (3)
  ATIP start of lead in:  -11634 (97:26/66)
  ATIP start of lead out: 359849 (79:59/74)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 3
Manufacturer: CMC Magnetics Corporation
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 180495
Starting to write CD/DVD at speed 8 in dummy mode for single session.
Last chance to quit, starting dummy write in 0 seconds. Operation starts.
BURN-Free is ON.
/boot/home/config/bin/cdrecord: Turning BURN-Free on
Starting new track at sector: 0
Track 01: 350 of 350 MB written.
Track 01: Total bytes read/written: 367312896/367312896 (179352 sectors).
Writing  time:  305.528s
Fixating...
WARNING: Some drives don't like fixation in dummy mode.
Fixating time:   41.496s
$ cdrecord -version
Cdrecord 1.11a03 (powerpc-be-beos) Copyright (C) 1995-2001 Jrg Schilling
$ mkisofs -version
mkisofs 1.14 (powerpc-be-beos)
$