Mail Archives: opendos/2000/07/03/22:41:25
I hope this is not to far from the subject. I also stole this from
11ED Upgrading and Repairing PCs.
"Everything I know I got from someone else."
BOB "DOMAN" MOSS ---Let us have chocolate for every meal---
Last I heard none of the Standard DOS's or NT would recognize
any FAT32 partition. Because they use a 12 or 16 bit number to
identify clusters, they are also restricted to 2GB HD's. Using the
Standard DOS Fdisk you can create only 2 partitions on a HD, one
primary and one extended, however, you can divide the extended
partition into as many as 25 logical partitions. You have to use some
other program, such as Partition Magic or Gnu Linux Fdisk, to get
more partitions, or to have more than one primary partition.
WIn 95 OSR2/WIN98/NT2000 use FAT32, and NTFS (NTFileSystem)
came along after win3.1.
Fat 32 uses 32 bit numbers to identify clusters, resulting in a maximum
single volume size of 2TB or 2,048GB in size.
NTFS, which supports file names up to 256 characters long (this includes
all characters in the path, from the root to the file), theoretically can
support partitions up to 16 exabytes. It also provides extended
attributes
and file system security features that do not exist in the FAT file
system.
The FAT file system is currently the most popular and is accessible by
nearly every OS, which makes it the most compatible, as well. FAT32
and NTFS provide additional features but are not universally accessible
by other OS's. One reason may be because the FAT 12/16 systems
place the file allocation tables (2 each) in specific locations and this
information can be anywhere on a FAT32 system and NTFS uses another
location not recognized by FAT 12/16 systems.
On Mon, 3 Jul 2000 18:59:33 +0400 (MSD) pavel AT insect DOT mail DOT iephb DOT ru
(Pavel V. Ozerski) writes:
> >What doesn't work?
>
> Unfortunately, now I cannot demonstrate this effect on my computer
> because I formatted my NTFS
> partition back to FAT16. But when I had NTFS disk, DR-DOS with
> NTFSDOS running could not
> find files on successfully mounted NTFS logical disk (or found not
> all files if NTFSDOS cache was very big)
> and never could open files on this disk. On the same computer,
> MS-DOS 7.1 (from Win'95 OSR) started
> from system floppy + NTFSDOS gives access to NTFS disk without
> problems.
>
>
>
>
>
>
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