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how to access the IO.SYS
Posted: Wed Sep 15, 2004 10:43 pm
by neopro
hi all,
i would like to access the IO.SYS file during booting so that i can give control to zyx.com along with command.com and MSDOS.sys
thanks in advance
Re:how to access the IO.SYS
Posted: Sat Sep 18, 2004 11:50 am
by Neo
Your Welcome.
What was the question again?
Re:how to access the IO.SYS
Posted: Sun Sep 19, 2004 9:56 pm
by neopro
hi neo,
the thing is i need to access IO.SYS file during booting (either invoked using TSR or any program) so that i can transfer the control to other files as the control is tranferred to COMMAND.COM and MSDOS.SYS(similar action like virus)
Re:how to access the IO.SYS
Posted: Thu Oct 07, 2004 3:23 am
by ManOfSteel
the thing is i need to access IO.SYS file during booting (either invoked using TSR or any program) so that i can transfer the control to other files as the control is tranferred to COMMAND.COM and MSDOS.SYS(similar action like virus)
Why don't you use 'autoexec.bat' to run your program instead?
Or if you want it to be hidden to the user, you can also patch 'command.com' by inserting your own program into it. 'command.com' has a lot of unused space, so it would not be a problem.
Re:how to access the IO.SYS
Posted: Thu Oct 07, 2004 1:51 pm
by Schol-R-LEA
As is often the case, some context would be helpful. Setting aside the means for the moment, what are your ends?
If your intention is to devise a bootloader, you may want to check out the
(including the [url=http://www.osdev.org/osfaq2/index.php/HowToAskQuestions]"How to Ask Questions" page) and the
Quicklinks thread on the OS Dev forum, and maybe do a search or two for phrases like "boot loader", using the search tool at the top of the page.