Date: Thu, 19 Jun 1997 17:27:22 -0700 (MST) From: Don Yuniskis <dgy@rtd.com> To: terry@lambert.org (Terry Lambert) Cc: dgy@rtd.com, terry@lambert.org, freebsd-hackers@freefall.FreeBSD.org Subject: Re: Opus diskettes Message-ID: <199706200027.RAA11881@seagull.rtd.com> In-Reply-To: <199706192024.NAA22936@phaeton.artisoft.com> from Terry Lambert at "Jun 19, 97 01:24:25 pm"
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In the words of the world-renowned author, Terry Lambert: > > > dd if=/dev/floppy skip=4k conv=swab of=file_without_VTOC > > > > Hmmm... perhaps you meant ^^ "8" since skip expects # of blocks > > as an argument? > > > > In either case, this doesn't cut the mustard :-( I looked through > > a few other OPFIL's and they *don't* appear to be compressed. For > > example, one contained /etc/.profile which was entirely readable. > > > > Perhaps just a tape archive with some bogus crap on the front > > end? file(1) sees them as "data" (BFD!) > > I doubt the data is compressed as well; the statement up front > was that the disks contained compressed data. The first disk I examined happened to have lots of executables on it and no real text that was obvious. > The 4k is a VTOC (Volume Table Of Contents); it is the old-SRV3 > "disklabel" which was a non-optional result of the "format" > command. This doesn't appear to be the case. I've tried stripping various amounts off of the front of the file and it's still unrecognizable as a tarball or a cpio archive. (sigh) I guess I'll have to install the d*mn coprocessor and unpack them the hard way :-( > Generally, we used the disks for tar archives; however, you should > also check for cpio archives (more likely; without the extra > package installed, SVR3 did not have tar, only cpio, especially > on OPUS and Fortune systems boxes). Yes, previous OPUS release were just cpio archives cpio -icvtdumB ... > Worst case, they are S51K file systems. Or, perhaps I'll just punt and leave the man pages broken. No one seems to be missing it... ;-) Thx! --don
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