Linux Kernel
Linux kernel is the very basic thing which we should have in our hand. Kernel is the one which is doing scheduling, task management, memory management and input output management. When you are getting kernel means you are getting collection of modules which are doing all above mentioned tasks. Now question is what I will get if I am purchasing kernel from market
You will get kernel as a library. Some companies are selling source code of kernel but for that you have to pay more. And royalty is also involved with some proprietary kernels.
Linux Kernel Version Numbering
According to this
website at the time of writing this article, kernel release version is 2.6.34.
Let us see what these numbers are, below is the description
-First number 2, represent linux version
-Second number 6, represent major revision-Third number 34,
represent minor revision
If third number is odd, it means that this refer to unstable version and is
under development. It means that when we are going to download kernel we should
select those version which has even number at third place. For example
v2.6.24 is stable release and 2.6.25 is unstable release.
Here in above screen shot you can see other versions like 2.6.35-rc3, this
means that 2.6.35 is a stable kernel and is under development and will be next
released. And rc-3 represent release candidate -3, so we can say that this is a
prerelease version.
Why should we choose Linux OS?
· Linux is a
free and open source operating system
· Linux can
run on various kind of CPUs
· Linux has a
very well structured kernel
· Linux is a
highly secure OS
· Linux OS
never crash unless there is any hardware problems
· Easy to write
device drivers in Linux kernel
· Wide range
of software available which are supported by Linux
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