There's a newsforge article
about it, and you can probably find other information through Google.
what is the meaning of modifying a kernel? what exact things we will get if we modify a kernel?? i
mean, modifying a kernel will we get a new desktop environment, user friendly server configuration tool etc.
No. The kernel is only one small component of the operating system as a whole. Creating a distribution involves making choices about how to compile and install the kernel, in addition to choices about how to configure and install the other software that usually comes with Linux. When you modify and compile a kernel, you are changing the way Linux interacts with low-level things: device drivers, filesystems, processor architecture, and other hardware support. If you have never compiled a custom kernel, you are probably not ready to create your own Linux distribution.
Before creating a distribution, I would advise learning everything you can about how Linux works. Read through RUTE
, for starters. Compile a few custom kernels; learn how to create filesystems and compile/install software. Consider learning some scripting languages such as bash.
Before going too far, though, ask yourself why you want to create a Linux distribution; there are already many, many different Linux distributions, suited to many different purposes. You should probably try out (install, configure, and use) several different existing distributions, in order to become familiar with how the installation process works.