Display File Systems

Name     Display File Systems 
Version  version 2.91
Author   Jan van Wijk 
         (see EMail Addresses)
Distrib. Freeware 
Type     EXE with an REXX ADDRESS environment 
Price    -
Source   Internet 
         Name: DFSnnn.* 
         where nnn is the version number 
Note 

Description from the author: 

"File-system display & analysis utility. Shows partition-tables and 
bootsectors. Shows all HPFS 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 entire disk and for the directory-band." 

DFS has an REXX ADDRESS envrionment thus you can use it from REXX 
programs.