Short for high-performance file system, HPFS was first introduced with IBM's OS/2 version 1.2. HPFS is available on subsequent versions, as well as with Microsoft Windows NT 3.0. HPFS supports long file names and large hard drives when compared to FAT.
- HPFS supports a maximum of 64 gigabytes.
- HPFS386 is a 32-bit version of HPFS used with IBM LAN Server Advanced and Warp Server Advanced.
HPFS is not commonly used with today's computers and servers.