Re: dd and image files

Dan C (youmustbejoking@xxxxxxxxxxx) writes:
On Mon, 30 Oct 2006 00:12:51 -0500, Chris F.A. Johnson wrote:

Let's suppose we have a Linux system and a FreeDOS boot floppy that we
want to make available on the net for people who want to flash their
BIOS with an .exe file, the only kind provided by the motherboard
manufacturer.

On this floppy disk (fd), we have files such as command.com for
instance.

You *are* joking, I hope? There's no such thing as command.com on any
*nix system.

Try to pay better attention. See above where he says he is talking about
a FreeDOS floppy disk? Do you think *that* might have a file named
command.com on it? Sheesh.

But the original poster confuses the issue talking about command.com

He's talking about copying an image, and for our Linux purposes what's
in that image is irrelevant. command.com will be part of the image
in this case, but we don't care.

And from memory, command.com isn't even the issue here, since it
comes into play after the boot is finished, and doesn't need to reside in
a specific place on the floppy. He wants to make a bootable MSDOS (or
clone) disk via Linux. One could use cp to copy command.com over, but the
issue is getting the bootable stuff in the right place on the floppy. One
could have the needed boot image, dd it over to the floppy and then copy
the files, including command.com via cp. It just makes it easy to make up
a disk image of everything that's needed, and move it over in one step
using dd.

The original poster is griping about the long thread with side issues
that he thought was irrelevant, yet then sumes it all up with his
own irrelevancies.

Michael

.

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