Modern CPUs can run in two modes: kernel mode and user mode. When a CPU runs in kernel mode, an extended set of instructions is allowed, as is free access to anywhere in memory and device registers.

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 is renowned for its flexibility, security, and performance, making it the operating system of choice for developers, system administrators, and power users alike. However, the generic Linux ...

__ 1991: __Linus Torvalds, a 21-year-old university student from Finland, writes a post to a user group asking for feedback on a little project he's working on. He's built a simple kernel for a ...