i need information on system calls and understanding them

Question

Hello guys,

i am new to the Operating System development , and in college i have to add a system call to linux kernel,

could you guys give me some in sight on what i will have to learn to be able to do this please.

i have to extend the linux kernel, so any cool ideas would also be very helpful...

thank you

Answer 1

The Linux kernel can take modules that can be loaded at runtime, thereby freeing up memory when they're not in use.

Ref:

http://en.wikipedia.org/wiki/Loadable_kernel_module

http://en.wikipedia.org/wiki/Lsmod

http://en.wikipedia.org/wiki/Modprobe

http://tldp.org/HOWTO/Module-HOWTO/x839.html

Answer 2

http://www.ibm.com/developerworks/linux/library/l-system-calls/