Links
Microsoft Knowledge Base - MS-DOS
is no longer supported but a good place to start
FCC ID search - not sure who made some electronic item? Search for the FCC
ID here and find out
The FreeDOS Project
DJGPP -- A DOS and Win32 port of the GNU
C and C++ compiler
http://www.chebucto.ns.ca/~ak621/DOS/index.html
Usenet Newsgroups
comp.os.msdos.misc -- discussion of all subjects
related to MS-DOS
comp.os.msdos.programmer -- discussion
of DOS programming issues that would not be welcome in comp.lang.c
alt.msdos.batch.nt - the best group to ask
for help with batch or CMD files on Windows NT, 2000, XP and Vista