[How many people out there still use only DOS? For some reason I don't think it is a lot of people. ...]

Hallo:

True, there are for sure not many people using only DOS. But it is good on a second computer sometimes... You could use older PCs with DOS for smaller things like fax relay, answering machine, mailboxes etc, especially when they need to run all the time (less energy consuming). Even a 486/25 will perform well enough as a fileserver under Dos+Novell/386 in a small network, to have another example. So, if anyone writes a DOS gnutella client, odds are not bad I would give it a try.

But to write one by myself? Working with DOS memory extenders, real/protected switching, crappy libraries, ugly compilers etc. is very ****ty, though, so I nearly agree to Hydrophonic when he says it would be too much labour.