Hi,

On 12/3/10, D. R. Evans <[email protected]> wrote:
> Rugxulo said the following at 12/03/2010 05:22 PM :
>>
>> On 12/3/10, D. R. Evans <[email protected]> wrote:
>>>
>>> I'm running the LiveCD (fdbasews.iso).
>>
>> Long story short:  check your root for (FD)CONFIG.SYS and see what
>> SHELL= says.    ;-)
>
> I discovered that when I reboot, the a:\freedos\fdauto.bat goes back to its
> initial state (i.e., it lost the changes I had made prior to the reboot).

Right.

> I checked this again, and indeed the a:\freedos\fdauto.bat file always
> reverts to its unedited state on reboot.

That's because it's an immutable liveCD. It's not as simple as just
edit and reboot (sadly).

> So the file I'm supposed to edit seems like it can't be
> a:\freedos\fdauto.bat; but I'm back to my original situation now, still
> wondering which is the right file I should edit so that the PATH is as I
> want it.

Like I said, I forget exactly what's going on in this exact specific
case, but obviously "a:\" here is a fake drive, most like a RAM disk.

> Maybe I misunderstood something in your instructions, but I don't think so.
>
>   Doc
>
> PS As you point out, I can always change the PATH manually, but that is
> error prone and something I'm likely to forget to do at some point. It
> would be much more convenient to have the PATH set as I want it as part of
> the boot sequence.

You'll have to remix / remaster / reburn / etc. the .iso itself once
you modify it. The liveCD itself won't change between sessions, even
if you try to manually edit it. This is a restriction of the format
itself, a hardware restriction, not a DOS flaw nor something you can
fix in such a simple way.

In other words, in a true hardware install (with a r/w drive such as
HD or FD) you can edit anything you like. But for a CD, the only way
is to reburn it after creating a modified .iso (e.g. using
mkisofs.exe:  http://alexfru.narod.ru/os/fat/fat.html ).

Honestly, it might be easier to just use QEMU or VirtualBox or Bochs
with a fake HD install (unless whatever app you're trying to run
really needs to run natively).

Sorry.   :-/

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