Please don't post HTML to mailing lists. On Mon, Feb 21, 2005 at 10:35:15AM -0500, suresh ds wrote: > I've a basic doubt. What is this kernel image? Is it just a binary > executable? OR it is a zipped/compressed file containing all the > headers and utils? The kernel image (bzImage) is an executable image of the kernel itself. Bootloaders (lilo, grub, loadlin, etc.) know how to start it. > When the kernel image gets booted onto the main > memory,all the headers/libs/utils are extracted from this > kernel image and then compiled on the main memory OR only the binary > code of all these are loaded? Can anyone clarify? The kernel image only contains the kernel. Nothing more, nothing less. After system initialisation, the kernel starts /sbin/init, which takes care of bringing up userland. I suggest to get an operating systems textbook to learn more. See the books section on www.kernelnewbies.org. Erik -- Erik Mouw J.A.K.Mouw@xxxxxxxxxxxxxx mouw@xxxxxxxxxxxx
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