A new project called WSL9X brings Linux support to Windows 95 by running a current kernel without virtualization.

Why? Well, why not?

However, SeL4 can be used, in theory, as a foundation for Linux and other Unix related operating systems. For example, it was briefly considered for use in Richard M. Stallman's still-born Gnu Hurd ...

Linux processes are made up of text, data, and BSS static segments; in addition, each process has its own stack (which is created with the fork system call). Heap space for Linux tasks are allocated ...

A team had been able to prove with mathematical rigour that an operating-system kernel – the code at the heart of any computer or microprocessor – was 100 per cent bug-free and therefore immune to ...

Both Windows and Linux are receiving significant security updates that can, in the worst case, cause performance to drop by half, to defend against a problem that as yet hasn’t been fully disclosed.