From my bookmarks: Basic OS devel http://www.thesky.demon.co.uk/os-development/index.html http://www.acm.uiuc.edu/sigops/roll_your_own/ OS lists http://tunes.org/Review/OSes.html http://www.geocities.com/ResearchTriangle/Node/9094/index.html XINU, a minimalistic UNIX like (from Douglas Comer): http://www.dmi.unict.it/~pappalar/lab3/xinuhome.html About SMP (OS/2 oriented) http://www.edm2.com/0509/smp2.html The Linux Kernel http://sophia.jpte.hu/linux/tlk/tlk-html.html the Linux VFS http://chiara.dei.unipd.it/www.redhat.com/HyperNews/get/fs/vfstour.html Hope it helps François. En réponse à anilv <anilv@xxxxxxxxxxxxx>: > I wanted to learn how to code for kernel. Are there any > tutorials on Web and also suggest me some good books to > learn more bt kernel. Where should i begin with! > > Thanks > Anil