OPERATING SYSTEM

The OS is the most important program that runs on a computer. It lets the user run other programs and applications. It also controls peripheral devices.

The operating system is the most important program that runs on a computer and also allows the user to run other programs and applications.

MOST POPULAR OPERATING SYSTEMS

WINDOWS

Windows dominates the personal computer world, offering a graphical user interface (GUI), virtual memory management, multitasking, and support for many peripheral devices.

MAC

Mac OS is the official name of the Apple Macintosh operating system. Mac OS features a graphical user interface (GUI) that utilizes windows, icons, and all applications

LINUX

Linux is an open source operating system distributed on various hardware platforms and Linux was also developed mainly by Linus Torvalds and is based on Unix.

Desktops and laptops) from january to November, 2019 are:

Windows 87.40%
• Mac OS 10.06%
• Linux 1.95%
• Chrome OS 0.39%
• Unknown 0.20%
• BSD 0.01%

Topic principal

The operating system, therefore, largely determines the applications it can run. For the:
PC, the most popular operating systems are DOS, OS / 2 and Windows, but there are others available, such as Linux.

CLASIFICATION OF OPERATING SYSTEMS

MULTI-USER

Allows two or more users to run programs at the same time.

MULTIPROCCESING

Supports running a program on more than one CPU.

MULTITASKING

Allows more than one program to run concurrently.

MULTITHREADING

Allows different parts of a single program to run concurrently.

REAL TIME

Responds to input instantly. General-purpose operating systems, such as DOS and UNIX, are not real-time.

WHAT IS A MOBILE OPERATING SYSTEM (MOBILE OS)

A mobile operating system is the software platform on top of which other programs can run on mobile devices.

Types of Mobile Operating Systems

Android OS (Google Inc.)

The Android mobile operating system is Google's open and free software stack that includes an operating system.

Bada (Samsung Electronics)

Bada is a proprietary Samsung mobile OS that was first launched in 2010.

BlackBerry OS (Research In Motion)

The BlackBerry OS is a proprietary mobile operating system developed by Research In Motion.