linux-programming.hashnode.devThe Core Operating System: The Kernel❓ What does “operating system” actually mean? The term operating system is used in two different ways: Broad meaning The entire software stack that ships with a system: Kernel Shell File utilities 11h ago·6 min read
linux-programming.hashnode.devUsers and Groups❓ Why do UNIX systems have users and groups? UNIX systems are fundamentally multiuser. Multiple people — and multiple programs — share the same machine.To make this safe and manageable, the system ass11h ago·4 min read