It used to be that building the Linux kernel was not easy. Testing and debugging were even worse. Nowadays, it is reasonably easy to build a custom kernel and test or debug it using virtualization.

Microsoft will soon include an entire custom-built Linux kernel (version 4.19) within Windows 10. The move may be surprising to many considering Microsoft's rather tepid response to the open-source OS ...

SUSE added a performance boost for enterprises running its Linux Enterprise Server 15 platform on the Microsoft Azure cloud. That boost comes from a custom-tailored Linux kernel that provides up to 25 ...