[Info-vax] Request description of UFS for VMS person

[Bob Koehler]

In article <176uZD2KcidF-pn2-zGhIyR0NqoRu at rikki.tavi.co.uk>, "Bob Eager" <rde42 at spamcop.net> writes:
> On Wed, 22 Apr 2009 13:29:55 UTC, 
> koehler at eisner.nospam.encompasserve.org (Bob Koehler) wrote:
> 
>>    There's no difference.  On any file system you need the file header
>>    (aka inode) and data content to still be available.
> 
> On MS-DOS, there is no file header. The linkage is kept in a global 
> table. The only per-file data structure is the directory entry.
> 

   Well, strictly speaking you don't even need the header if you
   know where the data blocks are.  But you go from being able to
   write a straight forward undelete utility that starts from something
   to writing one that requires the user to know the physical layout
   of the file on disk.