[Linux Kernel](https://kernel.org) 4.3 ships with *20.6* million lines of code with support for [Skylake](http://ark.intel.com/products/codename/37572/Skylake) lines of CPU by [Intel](http://intel.com). So Skylake based hardware can run efficiently with good stability.
The performance improvement is noticeable on some hardware’s running this build of Kernel on Ubuntu based Linux distributions (I have not worked on this personally these are according to user reports).
This is a stable release, Linux Kernel 4.4 will be the LTS (Long Term Service) build currently in RC-2.
The steps below can be used on Ubuntu and Ubuntu-based Linux distributions to upgrade the Kernel.
It’s really easy to install it on Ubuntu or Ubuntu based Linux distributions. But first, you need to know which build you’re using 64 Bit or 32 Bit.
You can check this by using this command.
Download these packages (The install process is the same).