Footnote

This field is from the partition table. It is known as the OS Flag, the Partition Type, Filesystem Type, and various other names.

There are many possible values defined by various vendors. Some particular values of interest include:

 0x00   Unformatted partition.
 0x01   FAT12-formatted partition.
 0x04   FAT16-formatted partition < than 32 MB.
 0x06   FAT16-formatted partition >= 32 MB.
 0x07   Partition formatted for use with an installable filesystem (IFS) such
        as HPFS or JFS under OS/2, or NTFS under Windows NT.
 0x0A   OS/2 Boot Manager partition.
 0x11   FAT12-formatted partition < 32 MB which has been 'hidden'
        by Boot Manager.
 0x14   FAT16-formatted partition < 32 MB which has been 'hidden'
        by Boot Manager.
 0x16   FAT16-formatted partition >= 32 MB which has been 'hidden'
        by Boot Manager.
 0x17   IFS-formatted partition which has been 'hidden' by Boot
        Manager.
 0x35   Partition assigned to an LVM volume.
 0x82   Linux swap partition
 0x83   Linux partition
 0x87   HPFS386 Fault Tolerance mirror partition, or NT stripe/volume set.
 0xC7   Disabled HPFS386 Fault Tolerance mirror partition.