Filesystems HOWTO: High Performance FileSystem (HPFS)

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## 4. High Performance FileSystem (HPFS)

Good HPFS links:

- ftp://ftp.leo.org/pub/comp/os/os2/leo/doc/hpfsinf.zip
- ftp://hobbes.nmsu.edu/pub/os2/info/tips/hpfs.zip
- http://www.globalxs.nl/home/c/cyborg/index.html - a good page about HPFS accessibility
- http://www-4.ibm.com/software/os/warp/warp-server/warp-server-adv/c2j.html - IBM OS/2 Warp Server : Features & Benefits : File & Print

## 4.1 Accessing HPFS from DOS (iHPFS)

- Homepage: http://www.student.nada.kth.se/~f96-bet/ihpfs/
- Author: Marcus Better Marcus.Better@abc.se
- Download: http://www.student.nada.kth.se/~f96-bet/ihpfs/ihpfs128.zip
- Access: Read-only
- License: GPL

iHPFS makes possible for OS/2 users to use their HPFS partitions when they boot plain DOS. The HPFS partition is assigned a drive letter, and can be accessed like any DOS drive.iHPFS is restricted to read-only access.

This program is no longer being developed, because author doesn't use OS/2. If you are willing to maintain the program, let him know.

## 4.2 Accessing HPFS from DOS (hpfsdos)

- Homepage: ?
- Author: Robert Muchsel < rmuchsel@iiic.ethz.ch> (this e-mail doesn't work)
- Access: Read-only
- License: Shareware ($23)

## 4.3 Accessing HPFS from DOS (hpfsa)

- Homepage: http://www.student.informatik.th-darmstadt.de/~akinzler/
- Author: Andreas Kinzler < akinzler@rbg.informatik.th-darmstadt.de> (this email doesn't work)
- Download: ftp://ftp.cdrom.com/.1/os2/mdos/hpfsa102.zip
- Access: Read/Write
- License: Shareware ($40)

## 4.4 Accessing HPFS from DOS (amos)

- Homepage: ?
- Author: Allan Mertner < mertner@login.dknet.dk> (this email doesn't work)
- Download: ftp://hobbes.nmsu.edu/pub/dos/amos320.zip
- License: Shareware ($50)

## 4.5 Accessing HPFS from Linux

- Homepage: http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/index-e.cgi
- Download: http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/hpfs-0.99b.tar.gz for 2.0 kernels; and http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/hpfs-1.98b.tar.gz for 2.2 kernels
- Author: Mikulas Patocka < mikulas@artax.karlin.mff.cuni.cz >
- Access: Read-Write, extended attributes, long names.
- License: GPL

This driver is part of Linux kernel (2.1.x+). It can read and write to HPFS partions. Access rights and owner can be stored in extended attributes. Few bugs in original read-only HPFS are corrected. It supports HPFS386 on Warp Server Advanced.

If you have kernel with HPFS support, say "Y"es to 'OS/2 HPFS filesystem support' in Filesystems submenu. Then recompile kernel using 'make dep bzImage', reboot and try to mount your HPFS partition (e.g. mount /dev/hda2 /mnt -t hpfs).

## 4.6 Accessing HPFS from FreeBSD

- Homepage: http://iclub.nsu.ru/~semen/
- Download: http://iclub.nsu.ru/~semen/hpfs/hpfs-0.3b.tar.gz
- Author: Semen A. Ustimenko < semenu@FreeBSD.org >
- Access: Read/Only
- License: BSD

Driver allows to mount HPFS volume into Unix namespace. ReadOnly access is only supported for now.

## 4.7 Accessing HPFS from Windows NT 3.5

- Homepage: http://www.htc.net/~nbehnken/
- Download: http://www.htc.net/~nbehnken/hpfs_nt.zip
- Author: Chris Behnken < nbehnken@htc.net >
- License: Freeware

This program will edit the Windows NT registry and enable HPFS support. Pinball.sys is the HPFS filesystem driver for Windows NT. It can be found on NT 3.5x's CD-ROM. Microsoft no longer supports HPFS. Installing this program will void your warranty and possibly the license agreement.

## 4.8 Accessing HPFS from Windows NT 4

- Download: ftp://hobbes.nmsu.edu/pub/windows/hpfsnt.zip
- Author: ?
- License: ?

HPFS driver for Windows NT 4.0

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