The QNX Neutrino RTOS complies with the de facto industry standard for partitioning a disk.
This allows a number of filesystems to
share the same physical disk. Each partition is also
represented as a block-special file, with the partition type
appended to the filename of the disk it's located on. In the
above
“two-disk” example, if the first disk had
a Power-Safe partition and a DOS partition, while the second disk
had only a Power-Safe partition, then the default files would be:
- /dev/hd0
- First hard disk
- /dev/hd0t6
- DOS partition on first hard disk
- /dev/hd0t179
- Power-Safe partition on first hard disk
- /dev/hd1
- Second hard disk
- /dev/hd1t179
- Power-Safe partition on second hard disk
The following table shows some typical assigned partition types:
| Type |
Filesystem |
| 1 |
DOS (12-bit FAT) |
| 4 |
DOS (16-bit FAT; partitions <32M) |
| 5 |
DOS Extended Partition (enumerated but not presented) |
| 6 |
DOS 4.0 (16-bit FAT; partitions ≥32M) |
| 7 |
OS/2 HPFS |
| 7 |
Windows NT |
| 11 |
DOS 32-bit FAT; partitions up to 2047G |
| 12 |
Same as Type 11, but uses Logical Block Address Int 13h extensions |
| 14 |
Same as Type 6, but uses Logical Block Address Int 13h extensions |
| 15 |
Same as Type 5, but uses Logical Block Address Int 13h extensions |
| 77 |
QNX 4 |
| 78 |
QNX 4 |
| 79 |
QNX 4 |
| 99 |
UNIX |
| 131 |
Linux (Ext2) |
| 175 |
Apple Macintosh HFS or HFS Plus |
| 177 |
QNX Power-Safe POSIX partition (secondary) |
| 178 |
QNX Power-Safe POSIX partition (secondary) |
| 179 |
QNX Power-Safe POSIX partition |
| 185 |
QNX Trusted Disk (QTD) |