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SubjectRe: Proposed new file system?
Hi there.

On Wed, 1 Apr 1998, Linus Torvalds wrote:

> On Thu, 26 Mar 1998, Riley Williams wrote:

>> I've been thinking about having a go at a zfs (zip file system)
>> or tgzfs (tar-gzip file system) that works along the lines of the
>> Windows ZipMagic program. Basically, it'd be a loopback system
>> that allowed the contents of a zip or tar-gzip file to be treated
>> as a directory.

I had it pointed out to me that a .tar.gzip file would be particularly
difficult to use since gzip compresses everything from start to end,
so I would probably look at either .zip or a .tar of a collection of
.gz files, and deal with that later...

>> What do you think of the idea? Also, is anybody working on
>> such a system at the moment, and if not, is it worth pursuing?

> A long time ago (a year or two) there was a user filesystem for
> Linux that had a "tar filesystem" as one of the examples if I
> remember correctly.

> And there have been various "fake NFS servers" that essentially
> look like local NFS filesystems that work on many different
> UNIX-like systems. I think the most wellknown was called
> "cryptfs" (it essentially gave you a cryptographically secure
> filesystem).

> Do an internet search on "userfs" or "user level filesystem" or
> "cryptfs" and something will probably pop up.

Here's the search results from www.yahoo.com as just received:

1. "userfs" generated 16 matches to various addresses under
http://userfs.cec.wustl.edu - presumably a match for every
different web page on that server since the domain name
includes the string being searched for. Of these, ten no
longer work...

2. "user level filesystem" generated 600,622 matches, of which
the first 100 were all references to a file system for an
optical drive...

3. "cryptfs" generated 5 matches, two to non-exist URL's, two
others pointing to the same page, which describes the
CryptFS file system in great detail, but unfortunately in
German, a language I know nothing about, and the final one
pointing to an English translation of that page with no
details where I could get further info...

Obvious other search patterns tried were:

4. "tar filesystem" generated 129,290 matches, of which the first
100 all referred to the "tar" program...

5. "Linux tar filesystem" generated 896,834 matches, of which the
bulk of the early ones were identical to those from (4) above.

6. "tar +filesystem" generated 11 matches, none of which were any
use to me, although ZLIBC looked promising...

7. "+tar +filesystem" generated 7,884 matches, of which the first
100 again all referred to the "tar" program, although this
time they referred to emails about problems crossing between
filesystems...

8. "+tar +filesystem -boundary" generated 7,495 matches. One of
them was http://mc.blackdown.org/mc/maillist/95-05/72.html and
appears to be the original announcement of the "tar filesystem"
back in May 1995, but the email address attached to it bounced
so this didn't get me any further...

9. "+Linux +tar +filesystem" generated 3,227 matches, of which the
first was the one referenced in (8) above, and the bulk of the
rest appeared to be connected with porting GNU Pascal ???

Since I use RedHat 5.0, I tried the following...

10. "+Linux +tar +filesystem +Redhat" generated 226 matches, mainly
to do with installing Redhat Linux on Sparc's, or with the Linux
Gazette...

At this stage, my imagination failed me, so if somebody can suggest
either a URL or a search string that finds one, I'd much appreciate
it...

Best wishes from Riley.


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