OS kernel skeleton? Check out the new
Downloads section at Bona Fide OS Development:
http://surf.to/osdevFinding little info about C? Try:
http://www.cprogramming.comIf you're looking for a book, then I highly recommend
C by Example from QUE.
IDT and GDT. First, get the
Intel 386 Programmer's Reference Manual:
http://www.execpc.com/~geezer/os/index.htmBasically, you have 1 GDT and 1 IDT. The GDT holds several
descriptors and the IDT holds addresses that point to Interrupt Service Routines(ISR).
Hopefully that helps,
K.J.