What are CD-RF and EI Torito?

CD-RF(CD-Recordable File System)
It is a file system defined by SONY Company that likes UDF.

EI Torito(Bootable CD-ROM)
Bootable CD-ROM is a CD-ROM that burns wit information from the boot area on hard disk or floppy disk, this CD-ROM can be used to boot computer.

Common problems related to partition recovery and our solutions: