Types of Operating Systems

desktop operating system

is software that manages a personal computer’s hardware and software resources and provides a graphical or command-line interface for users to interact withthesystem.

desktop operating system

It is designed mainly for personal computers, laptops, and work stations.

Windows,macOS, Linux

three most common desktop operating systems

Windows

is a desktop operating system developed by Microsoft.

Windows

It isthemost widely used OS for personal computers due to its user-friendlygraphical interface, multitasking capabilities, and support for a vast rangeofsoftware and hardware devices.

Windows 10, 11

Windows popular versions which are commonly used for office work, gaming, education,and multimedia applications.

Windows

is widely used because it is user-friendly, compatiblewithmost hardware and software, and supports multitasking

Windows

Its graphical interface makes it easy for beginners, while businesses andgamersbenefit from its reliability, software availability, and regular updates.

Windows

has a large community and technical support,making it a popular choice for personal and professional use

MacOS

is the desktop operating system developed by AppleInc.

MacOS

Itisdesigned specifically for Apple computers and is known for its sleekgraphical interface, stability, strong multimedia capabilities, and high security.

MasOs

Popularversions include macOS Ventura and macOS Monterey, widelyusedforcreative work like video editing, graphic design, and music production.

macOS

formerly OS X

macOS

is popular because it is stable, secure,and user-friendly, with a sleek graphical interface that is easytonavigate.

macOS

It is especially favored for creative and multimediawork,such as video editing, graphic design, and music production, anditintegrates smoothly with other Apple devices for a seamlessecosystem experience.

Linux (Linn-ux)

is an open-source desktop operating systembasedonthe Unix architecture.

Linux

It is highly customizable, secure, and freetouse,with many different distributions such as Ubuntu, Fedora, and LinuxMint.

Linux

is widely used by programmers, developers, and privacy-conscioususers, and it supports multitasking, networking, and a variety of softwareapplications.

Linux

is popular because it is free, secure, and highlyflexible,allowing users to customize the system to their needs.

Linux

t is favoredby developers and IT professionals for programming, servermanagement, and network administration.

Linux

Its open-sourcenatureencourages community collaboration and continuous improvement,making it a reliable choice for advanced users.

Linux distribution

is a version of the Linux operatingsystemdue to its open-sourced environment packaged withtheLinuxkernel, system utilities, software applications, and apackagemanagement system.

Key Features of LinuxDistributions

• Open-source and free to use

• Can be customized with different desktop environments (ex.GNOME, KDE, XFCE)

• Includes software repositories for easy installation and updates

• Can be lightweight forolder hardwareor fullfeatured for modernsystems

Popular Linux Distributions

Ubuntu, Fedora, Linux Mint, Debian, Arch Linux

Chromium OS

Another open-source operating system developed by Googleasthebasis for Chrome OS.

Chromium OS

It is designed primarily for web-basedcomputing,meaning most applications run through the Google Chrome browser ratherthan being installed locally.

Chromium OS

ocuses on speed, simplicity, and security, and it is optimized for lightweight devices like Chromebooks.

Chrome OS, Chromebooks

Its commercial counterpart, _________, was launched later in2011, preinstalled on __________.

FreeBSD

Berkeley Software Distribution

Berkeley Software Distribution

FreeBSD

Berkeley Software Distribution

is a free and open-source Unix-like operatingsystem derived from the Berkeley Software Distribution (BSD), whichwas based on the original Unix.

Berkeley Software Distribution

It is known for its stability, security,and performance, making it suitable for servers, desktops, andembedded systems

Free software

is software that grants users the libertytouseit for any purpose, to study how it works, to modify it, andtoredistribute copies with or without modifications legally.

Free software

• Encourages collaboration and community development.

• Cost-effective, especially for schools, businesses, or personal use.

• Promotes transparency and security, because anyone caninspectthe code.

• Reduces dependency on proprietary software vendors.

Open-source software

is software whose source codeismadepublicly available so that anyone can view, modify, and distributeit. Theidea is to encourage collaboration, transparency, and innovation.

Advantages of Open-Source Software

• Free or low cost

• Customizable

• Transparency & security

• Community Support

• Encourages innovation & learning

• No vendor lock in

Free or Low Cost

Often free to download, use, and share.

Customizable

Can be modified to meet specific needs.

Transparency & Security

Source code is visible, makingiteasier to detect and fix bugs or vulnerabilities

Community Support

Large communities provide updates, help,and resources.

Encourages Innovation & Learning

Developers canstudy,improve, and experiment with the code.

No Vendor Lock-In

Users aren’t dependent onasinglecompany.

Free software

focuses on the user’s freedom to run, study, modify, anddistribute the software, emphasizing liberty rather than price.

Open-source software

emphasizes access to the source code, allowing anyonetoview,modify, and collaborate on the development, promoting transparencyandcommunity improvement.

free software, open source software

While all __________ is usually open-source, not all __________ meets the full definition of free software, because some licenses may restrict certain freedoms

Mobile Operating System

its earlier evolution Handheld Operating Systems

Mobile Operating System

is software that manages a mobiledevice’shardware and software resources, provides a user interface, andallows applications to run on smartphones, tablets, andotherportable devices.

Mobile Operating System

It is similar to a computer OS but is optimizedfortouchscreens, mobility, and low power consumption.

Lightweight & Efficient

Works well on devices withlimitedmemory and processing power

Touchscreen/Small Screen Support

Optimizedfor small displays and simple input methods.

Connectivity Support

Manages wireless connections likeWi-Fi,Bluetooth, and cellular networks.

Battery Optimization

Manages wireless connections likeWi-Fi,Bluetooth, and cellular networks

Battery Optimization

Designed to save power for mobileusage.

App Management

Runs and manages mobile or handheldapplications.

1996

Palm Computing released the PalmPilot 1000 and 5000, which were the first widely successful personal digital assistants(PDAs)

Palm Pilot 1000 and 5000

first widely successful personal digital assistants.

Palm Computing

The Palm Pilot was released by>

Palm OS

Palm Pilot 1000 and 5000 ran ___________, an operating system designed specifically for handheld devices.

Palm OS

was lightweight, efficient, and optimized for stylus input, allowing users to manage contacts, calendars, tasks, and notes on a small, portable device

Palmpilot 1996 release

helped popularize PDAs and set the foundation for modern handheld operating systems

Pocket PC

is a type of handhelddevice that runs a version of WindowsCE (later Windows Mobile), designedforportable computing

Pocket PC

allowedusersto run applications, manageemails,browse the web, and organizecontactsand schedule

Pocket PC

They featured touchscreens,stylus input, and supported connectivityoptions like Wi-Fi, Bluetooth, andcellular networks.

Symbia OS

is a mobile operating system designed for smartphones,

Symbia OS

originally developed by Psion in 1997 and later maintained by the Symbian Foundation. I

Symbia OS

It was widely used in Nokia, Sony Ericsson, and Samsung phones before the rise of Android and iOS.

Symbia OS

The first commercial smartphones running Symbian OS appeared around 1998–1999, primarily on Nokia devices.

BlackBerry OS

is a proprietary mobileoperatingsystem developed by Research In Motion(RIM),primarily for BlackBerry smartphones.

BlackBerry OS

It wasfirstreleased in 1999 and became popular intheearly2000s for its secure email services, messaging, andcorporate business productivity features.

Windows Mobile

It was first introduced in 2000 as Pocket PC 2000, a mobile version of Windows features, including Microsoft Office apps, email, calendar, and internet browsing.

Windows Mobile

It supported touchscreen and stylus input, as well as wireless connectivity like Wi-Fi, Bluetooth, and cellular networks, making it suitable for business and productivity tasks on handheld devices.

iOS 1

was the very first version of Apple’s mobile operating system for the iPhone, released on June 29, 2007, alongside the first-generation iPhone.

iOS 1

was designed to provide a touchscreen-based interface with built-in apps such as Phone, Mail, Safari, Calendar, and iPod.

iOS 1

It did not initially support third-party apps, but it laid the foundation for Apple’s modern mobile operating system.

Linux-based Mobile OS

is a mobile operating system that uses the Linux kernel as its foundation. These OS are designed for smartphones, tablets, and other handheld devices, offering open-source flexibility, security, and customization.