FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Raspberry Pi OS (formerly Raspbian) is a Unix-like operating system based on the Debian Linux distribution for the Raspberry Pi family of compact single-board computers.

Detailed explanation-2: -The Raspberry Pi operates in the open source ecosystem: it runs Linux (a variety of distributions), and its main supported operating system, Pi OS, is open source and runs a suite of open source software.

Detailed explanation-3: -Your Raspberry Pi needs an operating system to work. This is it. Raspberry Pi OS (previously called Raspbian) is our official supported operating system.

Detailed explanation-4: -PIXEL (Pi Improved Xwindows Environment, Lightweight) is a visual desktop environment which is a part of the recommended Raspbian Linux distribution. It is the quickest way to get started with Raspberry Pi and by default, it appears when our Raspberry Pi computer finishes starting up.

Detailed explanation-5: -The Raspberry Pi does not come with an OS because it doesn’t contain an onboard hard drive of flash memory for storage. The OS and user files are all stored on a micro SD card that is inserted into the board itself.