The operating system mode. Processors operate either in kernel mode or "user mode." Also called "supervisor mode," the kernel mode enables the OS (kernel) to execute "privileged instructions," which ...

Back in the early 1990s, I worked in a large telecoms research lab, as part of the Advanced Local Loop group. Our problem domain was the “last mile”—getting services to peoples’ homes. One of my ...

A kernel extension (kext) adds functionality to a macOS operating system (OS). The kernel is the heart of the OS, and extensions may add security or functions required to run in revised hardware, such ...

There are many open source programs (aka code that’s accessible to the public) out there for both Linux and Windows. For programs and tools where that’s not the case, WSL (Windows Subsystem for Linux) ...