Technical Specifications
| Name | Hard drive: partition size max | Native support: File systems |
Native support: floppy capacities 3.5" |
Native support: floppy capacities 5.25" |
Integrated disk compression utility | Native support: long file names |
|---|---|---|---|---|---|---|
| MS-DOS 1.0 | n/a | FAT12 | n/a | 160 KB | No | No |
| MS-DOS 1.1 | n/a | FAT12 | n/a | 160 KB; 320 KB | No | No |
| MS-DOS 2.0 | 16 MB | FAT12 | n/a | 160 KB; 180 KB; 320 KB; 360 KB | No | No |
| MS-DOS 3.0 | 32 MB | FAT12, FAT16 | n/a | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 3.1 | 32 MB | FAT12, FAT16 | n/a | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 3.2 | 32 MB | FAT12, FAT16 | 720 KB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 3.3 | 32 MB | FAT12, FAT16 | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 4.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 5.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB, 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 6.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | DoubleSpace | No |
| MS-DOS 6.20 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | DoubleSpace | No |
| MS-DOS 6.21 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| MS-DOS 6.22 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | DriveSpace | No |
| MS-DOS 7.0 (Windows 95A) | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MN, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | DriveSpace | No |
| MS-DOS 7.1 (Windows 95B/OSR2, Windows 95C/OSR2.5, Windows 98, and Windows 98SE) | 124.55 GB with FAT32 | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | DriveSpace for versions of Windows 95, none for Windows 98 | No |
| MS-DOS 8.0 (Windows Me) | 124.55 GB with FAT32 | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 1.0 | n/a | FAT12 | n/a | 160 KB | No | No |
| PC DOS 1.1 | n/a | FAT12 | n/a | 160 KB; 320 KB (double-sided) | No | No |
| PC DOS 3.0 | 32 MB | FAT12, FAT16 | n/a | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 3.1 | 32 MB | FAT12, FAT16 | n/a | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 3.2 | 32 MB | FAT12, FAT16 | 720 KB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 3.3 | 32 MB | FAT12, FAT16 | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 4.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 5.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB, 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 6.1 (early version) | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| PC DOS 6.1 with Compression / PC DOS 6.3 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | SuperStor | No |
| PC DOS 7.0 / PC DOS 2000 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 1.86 MB (XDF), 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB, 1.54 MB (XDF) | Stacker | No |
| PC DOS 7.10 | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 1.86 MB (XDF), 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB, 1.54 MB (XDF) | Stacker (not on FAT32) | No |
| DOS Plus 1.2-2.1 | 32 MB | FAT12, FAT16, CP/M-86 | n/a | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB; CP/M 320 KB | No | No |
| DR DOS 3.31-3.35 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| DR DOS 3.40-3.41 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| DR DOS 5.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | No | No |
| DR DOS 6.0 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | SuperStor | No |
| PalmDOS 1 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | SuperStor | No |
| Novell DOS 7 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker | No |
| OpenDOS 7.01 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker | No |
| DR-OpenDOS 7.02 | 2 GB | FAT12, FAT16, FAT16B | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker | No |
| DR-DOS 7.02 | 2 GB | FAT12, FAT16, FAT16B, (FAT32 in FDISK only) | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker | Partial (COMMAND.COM and LONGNAME only) |
| DR-DOS 7.03 | 2 GB | FAT12, FAT16, FAT16B, (FAT32 in FDISK only) | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker | Partial (COMMAND.COM and LONGNAME only) |
| DR-DOS 7.04-7.05 | ? | FAT12, FAT16, FAT16B, FAT32 (non-bootable) | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker (not on FAT32) | Partial (COMMAND.COM and LONGNAME only) |
| DR-DOS 7.06-7.07 | ? | FAT12, FAT16, FAT16B, FAT32 (bootable) | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Stacker (not on FAT32) | Partial (COMMAND.COM and LONGNAME only) |
| DR-DOS 8.0 | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 160 KB; 180 KB; 320 KB; 360 KB; 1.2 MB | Supported (not on FAT32) | Partial (COMMAND.COM only) |
| DR-DOS 8.1 | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | No | No |
| FreeDOS 1.0 | 2 TB | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | ? | No |
| FreeDOS 1.1 | 2 TB | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | ? | ? |
| PTS-DOS 32 | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | No | No |
| PTS-DOS 2000 | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | No | No |
| PTS-DOS 2000 PRO | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | No | No |
| Datalight ROM-DOS | ? | FAT12, FAT16, FAT16B, FAT32 | 720 KB; 1.44 MB, 2.88 MB | 360 KB; 1.2 MB | No | Yes |
| DIP DOS | n/a | FAT12 | n/a | n/a | No | No |
Read more about this topic: Comparison Of DOS Operating Systems
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