OPERATING SYSTEMS OS
FIRST LOADED ON TO SYSTEM
USED TO MANAGE OTHER APPLIATION CONTROLS ACCESS TO RESOURCES
(MEMORY, PROCESSING CAPABILITY, STORAGE, NETWORKING FEATURES)
4 GENERRAL TYPE OPERATING SYSTEMS
HOME CLIENTS
BUSINESS CLIENTS
NETWORKSMARTPHONE/TABLE
HOME CLINET
DESIGNED TO WORK STANDALONE MACHINES OR WITH MACHINES CONNECTED IN A SMALLER WORKGROUP NETWORK
SMALL OFFICE OR HOME ENVIRONMENT
USES WINDOWS OR MACOS
BUSINESS CLIENT
DESIGNED TO WORK ON SYSTEMS THAT ARE CONNECTED TO A CENTRALLY MANAGED BUSINESS DOMAIN NETWORK
LARGE BUSINESS ORGANIZATION LIKELY USE LOGON AND PASSWORD
LOGGING INTO CENTRALLY MANAGED SERVER (ACTIVE DIRECTORY SERVER)
ACCESS TO RESOURCES ON NETWORK
NETWORK OPERATING SYSTEM (NOS)
ANY OPERATING SYSTEM THAT IS DESIGNED TO RUN ON SERVERS IN A BUSINESS NETWORK
WINDOWS SERVER 2019 OR WINDOWS SERVER 2022
SMARTPHONE/TABLET OPERATING SYSTEM
DESIGNED TO WORK WITH HANDHELD MOBILE DEVICE
STEAMLINED TOUCH OPERATING INTERFACE
ANDROID OR ISO
OPEN SOURCE
UNDERLYING CODE OF THE OS HAS BEEN RELEASED ANYONE AN DOWNLOAD AND ACCESS SOURCE CODE
ALLOWS DOWNLOAD, MODIFY AND REDISTRIBUTE OS
(I.E. ANDROID AND LINUX)
MAY BE DEVELOPED BY COMPANY SUCH AS GOOGLE DEVELOPMENT OF ANDROID OS OR COMMUNITY OF PASSIONATE DEVELOPERS SUCH AS LINUX
PROPRIETARY/CLOSED SOURCE
CREATED BY A COMPANY OR INDIVIDUAL THAT RETAINS ALL THE RIGHTS TO USE, MODIFY, AND DISTRIBUTE THE SOFTWARE
WINDOWS OWNED BY MICROSOFT
MACOS OWNED BY APPLE
CHROME OS OWNED BY GOOGLE
LIFE CYCLE
EVERY PICE OF SOFTWARE INCLUDING OPERATING SYSTEMS, HAVE A LIFECYCLE ASSOCIATED WITH THEM
UPDATES FIRST RELEASED BY PUBLIC BETA PROGRAM THEN FINAL RELEASE ONCE BUGS WORKED OUT
OPERATING SYSTEM SOFTWARE SUPPORTED TO SPECIFIC TIMELINE
2-10 YEARS
WINDOWS HOME CLIENT AND BUSINESS CLIENT 5 YEARS
WINDOWS SERVER - UP TO 10 YEARS
MANUFACTURE WILL RELEASE SOFTWARE UPDATES, SECURITY PATCHES, BUG FIXES DURING THIS TIME
EXTENDED SUPPORT
ADDITIONAL COST TO SUPPORT BEYOND ORIGINAL SUPPORT CONTRACT
WINDOWS XP EXAMPLE - EXTENDED 12 YEARS
EOL END OF LIFE
ONCE SUPPORT SYSTEM HAS ENDED MANUFACTURE NO LONGER SUPPORT
WINDOWS VERSIOIN RECOGNITION (0S)
FOR TEST
END USER SUPPORT FOCUS
75%YESy MARKET SHARE
WINDOWS 11 (MOST MODERN KNOWN)
WINDOWS 10 (SUPPORTED TO 10/2025)
PROPRIETARY
WINDOWS SERVER EDITIONS
WINDOWS SERVER 2012 (EOL 10/2023)
WINDOWS SERVER 2016 (EOL 1/2027)
WINDOWS SERVER 2019 (EOL 1/2029)
WINDOWS SERVER 2022 (EOL 10/2031)
2016, 2019, 2022 USE WINDOWS 10 AS THEIR CODE BASE
PRODUCTION ENVIRONMENT
UPGRADES TAKE DOWNTIME
PROPRIETARY
LINUX OS
OPEN SOURCE OS
UNIX WAS BASIS OF LINUX (BELL LABORITORIES)
MANY DISBTRIBUTIONS IN 1000’S
HOWEVER CENTER AROUND 3
RED HAT (FEDOR AND CENTOS IS BASED RED HAT DISTRIBUTION)
DEBIAN (UBUNTU IS A DEBIAN BASED DEBIAN DISTRIBUTION)
SUSE
CREATED BY COMPUTER SCIENCE STUDENT LINUS TORVALDS 1990’S
MUST PAY FOR SUPPORT - NO SUPPORT OFFERED
SOMETIMES NEED TO USE COMMUNITY SUPPORT
CAN BE USED IN SERVER OR DESKTOP/LAPTOP ENVIRONMENT
80% OF SERVERS ON INTERNET USE LINUX
20% USE WINDOWS
LINUX DISTRIBUTIONS 2 DIFFERENT FORMATS FOR LIFECYCLE SUPPORT
STANDARD (USES VERSIONING NUMBERS ASSOCIATED WITH THEM TO DISTINGUISH BETWEEN UPDATEDS)
UBUNTU 22.04 LTS - LONG TERM SUPPORT - EVEN NUMBERS 5 YEARS ODD NUMBERS ARE INTERIM RELEASES 9 MONTHS OF SUPPORT)
ROLLING UPDATEDS CONTINUALLY COME OUT SO THERE IS NO LONG TERM SUPPORT - NO VERSION NUMBERS NO LONG TERM SUPPORT I.E. ARCH LINUX AUTOMATICALLY PUSHED)
ANDROID OS
DESIGNED TO SUPPORT SMARTPHONE AND TABLETS
OPEN SOURCE (BASED ON LINUX)
USED ON MOST ALL DEVICES EXCEPT APPLE HARDWARE
MANUFACTURERS DEVELOP THEIR OWN VERSION OF LINUS FOR THEIR DEVICES
IOS
ONLY OPERATES ON APPLE HARDWARE
72% OF MARKET
MOST RECENT VERSION IS VANILLA ICE CREAM WHICH IS ANDROID VERSION 15
USES SHORT LIFECYCLE THAN DESKTOP OR SERVER ENVIRONMENT AVERAGE IS ABOUT 3 YEARS SUPPORT
CHROME OS
**DEVELOPED BY GOOGLE
**PROPRIETARY OS
BASED ON OPEN OS KNOWN AS CHROMIUM DERIVED FROM LINUX
**LAPTOP AND DESKTOP - KNOWN AS CHROMEBOOKS
CHROMEBOX=DESKTOP
DEISGNED AROUND WEB CENTERED EXPERIENCE
NOT POWERFUL DEVICES
(CAN USE GOOGLE SHEETS OR GOOGLE DOCS WHICH IS FULL FEATURED HOSTED IN CLOUD)
CAN INSTALL APPLICATIONS ALSO KNOWN AS APK FILES
VERY SECURE AS RUNNING EVERYTHING AS WEB APP
BUILT IN VIRUS PROTECTION
BUILD IN FIREWALLS
SUPPORT FOR MULTIPLE USERS
KEEPS ALL DATA ENCRYPTED AND SAFE
USES SANDBOX FOR APPS AND WEB APPS PREVENTING MALICIOUS CONTENT FROM INFECTING REST OF SYSTEM
ABILITY TO DO AUTOMATIC UPDATES
BOOT UP IN SECONDS 1-5 SECONDS
EDUCATIONAL MARKET
10% IN 2022 USERS
STRIPPED DOWN OS
MACOS
USED ON MAC COMPUTERS
BUILT BY APPLE
ONLY INSTALLED ON MAC COMPUTERS PER LICENSE AGREEMENT
IMAC HARDWARE
MAC DESKTOP HARDWARE
MACBOOK HARDWARE
VERY STABLE BECAUSE OF LIMITED NUMBER DEVIES
PREVIOUSLY CALLED OS X
BUILT ON SYSTEM CALLED DARWIN SERVES AS KERNEL OF OS
DARWIN KERNEL BASED ON UNIX
NO CHARGE FOR OPERATING SYSTEM BECAUSE IT IS ONLY OS THAT WORKS ON HARDWARE
PROPRIETARY
IOS AND IPADOS
DEVELOPED BY APPLE
SMARTPHONE AND TABLETS
IOS DERIVED FROM UNIX
CLOSED SOURCE OS
PROPRIETARY
ONLY RUN ON IPHONES AND EARLIER VER TABLETS
30% MARKET SHARE
IN US 55% MOBLIE DEVICES
FREE UNLIMITED UPDATES FOR LIFE OF DEVICE
CURRENTLY SUPPORTS OVER 6 YEAR OLD DEVICES
IPAD0S VERY SIMILAR TO ISO DEVELOPED AS A FORK
ALLOWS MULTITASKING (RUNNIN 2 APPS AT ONE TIME) SCREEN IS LARGER
SUPPORT APPLE PENCIL
ONLY WORKS WITH IPADS
7 FILE SYSTEMS
NTFS - NEW TECHNOLOGY FILE SYSTEM
ReFS - RESLILENT FILE SYSTEM
FAT32 - FILE ALLOCATION TABLE 32
exFAT - EXTENSIBLE FILE ALLOCATION TABLE
ext4 - FOURTH EXTENDED FILESYSTEM
XFS - EXTENDED FILESYSTEM
APFS - APPLE FILE SYSTEM
FILE SYSTEM
WAY TO ORGANIZE OUR DATA AND INFORMATION ON GIVEN HARD DISK DRIVE, SOLID STATE DEVICE, OR ANY OTHER TYPE STORAGE DEVICE
DATA STRUCTURE FOR EASE OF STORING, RETRIEVED FROM GIVEN STORAGE
FILE SYSTEMS HAVE TO BE CREATED BEFORE YOU CAN INSTALL OS ON ANY GIVEN STORAGE DEVICE
IMPORTANT TO CONSIDER WHAT OS WILL BE USED TO READ AND WRITE DATA TO PARTICULAR STORAGE DEVICE
WHAT TYPE FILE SYSTEM SHOULD BE USED WITH WINDOWS
ReFS, NTFS, FAT32, OR exFAT