A Gentle Introduction to Operating Systems and How They Work

A Gentle Introduction to Operating Systems and How They Work An operating system (OS) is the software that helps all other programs run smoothly. It sits between your apps and the computer’s hardware. When you start a browser or a game, the OS decides who gets the CPU time, keeps memory organized, and talks to devices like the keyboard and screen. How an OS fits in Think of a computer as a busy kitchen. The CPU is the cook, memory is the pantry, and devices are tools. The OS acts as the kitchen manager. It schedules tasks, protects each program’s space, and provides a simple way for programs to ask for help. ...

September 22, 2025 · 2 min · 379 words