Display File Systems V. 2.67
released
|
Jan van Wijk just
released Display File Systems version
2.67 (dfsee267.zip, 407,81k). This file-system display
& analysis utility shows partition-tables and bootsectors. Shows HPFS/FAT internal
disk structures like Superblock, Fnodes, Dirblocks etc. Check allocation integrity
for volume. Can find any data-sequence on the disk and identify the file it belongs
to. Display allocation maps for the disk and for the directory-band. Includes CHKDSK
UNDELETE/copy functionality for HPFS.
The DFSee program is a disk and filesystem browser with an
emphasis on the HPFS and FAT filesystems, disk partitioning and a little bit NTFS.
It will support different file-systems sometime in the future.
The program has been built while studying the HPFS filesystem. It's main purpose
is getting to understand the file-system as it resides on the disk itself, in the
data-structures laid down in disk-sectors.
Over time, additional logic was implemented to allow analysis of all sorts of disk
problems on HPFS volumes.
The tool has been used a few times over the past years to analyse some real-life
disk problems in a large systems-integration project.
Also author has proven very usefull in teaching others the internals of HPFS Most
of my knowledge of the file-system is based on the excellent lectures "HPFS
Internals" at the 1994, 95 and 96 ColoradOS/2 conferences by Doug Azzarito
and on peeking arround on a lot of HPFS volumes using DFS.
Further improvements will probably be in more advanced recovery commands and other
filesystems like NTFS and EXT2 and in porting to other platforms.
The standard distribution, DFSEExxx.ZIP contains executables for OS/2 Warp (32-bit),
16-bit DOS and Windows-NT.
Availability
1) Jan van Wijk Homepage: http://www.fsys.demon.nl
(Follow shareware, dfsee)
2) HOBBES (WWW): ftp://hobbes.nmsu.edu/pub/os2/util/diskutil/DFSEExxx.ZIP
or shadow: ftp://ftp.cdrom.com/pub/os2/util/diskutil/DFSEExxx.ZIP
3) Compuserve: GO OS2BVEN, open Filemanagers library section; DFSEE.ZIP
4) IBM internal: REQUEST DFSEE FROM 78867930 at EHONE
On special request a 16-bit OS/2, and tracing/debug versions are available.
CONTACT AUTHOR:
Jan van Wijk
jvw@fsys.demon.nl
@Macarlo, Inc.
@Macarlo's Shareware & Web
OS/2
Java Lobby Member
Java Site Accredited
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