Summary: file system on a floppy disk

From: Zhiyi Huang (
Date: Wed Apr 17 1996 - 10:41:39 CDT

Thanks to:
Marc Santucci <>
Thang Victor Dinh <>
"Christoph J. Mutter" <>
Robert Pasken <>
Xiaohong Liu <>
Feng Qiu <>
new star <>
Niall O Broin - Gray Wizard <>
Kevin 'Grog' Pankhurst <>
Kenneth Franco <>
John Rosenberg <>
Stephen Potter <>
Tom Doong <>

**My original question:
Can someone tell me how to create a UNIX file system on a floppy disk? I
am using SunOS4.1.3 and Solaris2.4.

How can I store/view UNIX files on a floppy (Not in tar format,
just ascii files)?

Thanks a lot!

**Niall O Broin - Gray Wizard <> wrote:

To mount a filesystem, it must first be created, which is what
newfs does and before you can create a Unix filesystem on a floppy, you
must first do fdformat on it.

To use a floppy for tar files, neither fdformat nor newfs are necessary.
They won't do any harm - it would just be a waste of time.

**For SunOS system, the answer is:
Niall O Broin - Gray Wizard <> wrote:

fdformat # this must be done for each floppy you use
newfs /dev/rfd0a # as must this (but each one time only, of course)
mkdir /floppy # this must be done once only
mount /dev/fd0a /floppy # this must be done each time you want to use a
                        # but see note below to make this a little handier

Niall O Broin

UNIX Network Administrator, Stations and Communications Engineering
European Space Operations Centre
Darmstadt, Germany Ph./Fax +49 6151
90 3619/2179

**For Solaris system, the answer is:
Xiaohong Liu <> wrote:

        /usr/sbin/newfs /vol/rdsk/unnamed_floppy
        (or ls /vol/rdsk to see what is there, then use it for
        eject, then put floppy in again
from file manager, check floppy, a window for the floppy disk will come up
with lost+found fold in it.

                        Xiaohong Liu
                        310-496-7559 (voice)
                        301-402-1967 (fax)

                        Judy Z. Huang Tel:(908)699-3551 Beeper:(908)633-3181
Bellcore, 6 Corporate Place, Piscatway, NJ 08854-4199

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