Command Line CD Burning

Give these commands

cdrecord -v -eject dev=ATAPI:x,x,x speed=48 driveropts=burnfree /path-to-image/image -name.iso ( For direct IDE writing)

cdrecord -v -eject dev=x,x,x speed=48 driveropts=burnfree /path-to-image/image -name.iso ( For direct SCSI emulated writing)

PS: You need not take any special care for bootable CDs if you are writing the CD from ISO image as the image itself contains the boot information.