Anaconda GUI installer for several Operating Systems including RHEL and Fedora.   Wikipedia         

Android Linux-based operating system designed primarily for touchscreen mobile devices. First released September 23, 2008.  Website  Wikipedia       

Android Nougat (aka: Android N, Android 7.0) Seventh major version of the Android. Released August 22, 2016.  Website  Wikipedia       

Android Oreo (Android O)  First preview available March 23, 2017. Officially available in beta May 17, 2017. Name unveiled August 21, 2017. Released August 21, 2017.  Website  Wikipedia  Ars Technica     

Android Wear Variation of android for wearable devices. First released March 18, 2014.  Wikipedia  Website       

Anniversary Update (aka: Redstone) Update for Windows 10. Released August 2, 2016.  Wikipedia  Windows Blogs       

Apple DOS OS used on the Apple II. Released in 1978.  Wikipedia         

Apple/UNIX (A/UX)    Wikipedia         

Bash (aka: Bourne-Again Shell) Unix shell    Wikipedia         

Berkeley Software Distribution (BSD) Based off UNIX. Developed in the 1970s by  Wikipedia         

Bourne shell    Wikipedia         

Cheetah (Mac OS X 10.0)   Wikipedia         

Chrome OS Operating system developed by Google. Based on Linux. Uses the Chrome web browser as the user interface. First released June 15, 2011.  Website  Wikipedia       

Command Prompt (cmd.exe) CLI Shell for Windows.   Wikipedia         

Creators Update (aka: Redstone 2 (RS2)) Codename for the third major update build of Windows 10. Early download available April 5, 2017. Released April 11, 2017.  Wikipedia         

crunchbang A Linux distribution. Based on Debian.            

Current Branch (CB) Windows update/support branch for Windows 10 Home, Pro, Education, and Enterprise.   Wikipedia         

Current Branch for Business (CBB) Windows update/support branch for Windows 10 Pro, Education, and Enterprise.   Wikipedia         

Cyanogen Mobile operating system based on Android. Cyanogen OS is what comes pre-installed on phones such as the OnePlus One. CyanogenMod is a replacement firmware that installs on top of Android. Fist released July 1, 2009.  Website  Twitter       

Debian A Linux distribution.   Wikipedia  Website       

Disk Operating System (DOS)    Wikipedia         

El Capitan (OS X 10.11)   Wikipedia         

Elementary OS Linux distribution based on Ubuntu. First released March 31, 2011.  Website  Wikipedia       

Fall Creators Update (Version 1709) Released October 17, 2017.  Windows Blogs  Wikipedia       

Fedora The upstream version of RHEL.   Wikipedia         

Free Berkeley Software Distribution (FreeBSD)    Wikipedia  Website       

iOS Apple's mobile OS   Wikipedia         

iOS 11  Released September 19, 2017.  Website  Wikipedia       

iOS 11.0.1  Released September 26, 2017.  Apple Support  9to5Mac       

iOS 11.3  Released March 29, 2018.           

Jaguar (Mac OS X 10.2)   Wikipedia         

Leopard (Mac OS X 10.5)   Wikipedia         

Linux Operating system based off of UNIX. Written in C.   Wikipedia         

Lion (OS X 10.7) Released July 20, 2011.  Wikipedia         

Long-term Servicing Branches (LTSB) Windows update/support branch for Windows 10 Education and Enterprise.   Wikipedia         

macOS (formerly OS X, Mac OS) UNIX-based operating system from Apple for their Macintosh computers. 

Version Codename Release Date
Mac OS X 10.0 Cheetah 2001
Mac OS X 10.1 Puma 2001
Mac OS X 10.2 Jaguar 2002
Mac OS X 10.3 Panther 2003
Mac OS X 10.4 Tiger 2005
Mac OS X 10.5 Leopard 2007
Mac OS X 10.6 Snow Leopard 2009
Mac OS X 10.7 Lion 2011
OS X 10.8 Mountain Lion 2012
OS X 10.9 Mavericks 2013
OS X 10.10 Yosemite 2014
OS X 10.11 El Capitan 2015
macOS 10.12 Sierra 2016
  Wikipedia  Wikipedia (versions)       

macOS High Sierra (macOS 10.13) Released September 25, 2017.  Website  Wikipedia       

Manjaro Linux distribution based on Arch. First released July 10, 2011  Website  Wikipeida       

Mavericks (OS X 10.9)   Wikipedia         

Microsoft Disk Operating System (MS-DOS)  Released in August 1981.  Wikipedia         

Microsoft Windows OS developed by Microsoft. 

OS Version Release Date
MS-DOS 1981
Windows 1.01 1985
Windows 2.0 1987
Windows 2.10
Windows 2.11
Windows 3.0
Windows 3.1
Windows NT 3.1
Windows 3.2
Windows NT 3.5 1994
Windows NT 3.51 1995
Windows 95 1995
Windows NT 4.0 1996
Windows CE
Windows 98
Windows 2000 2000
Windows Pocket PC
Windows ME
Windows XP 2001
Windows Server 2003
Windows Mobile
Windows Vista 2006
Windows Home Server
Windows Server 2008
Windows 7 2009
Windows Phone 7
Windows 2012
Windows 8 2012
Windows RT
Windows Phone 8
Windows 8.1 2013
Windows Phone 8.1
Windows 10 Technical Preview 2014
Windows 10 2015
  Website  Wikipedia       

Mint A Linux distribution.   Wikipedia         

Mountain Lion (OS X 10.8)   Wikipedia         

Neptune Codename for an unreleased version of Windows. Developed in 1999.  Wikipedia         


Network Operating System (NOS) Specialized operating system for a network device such as a router, switch or firewall. Designed to support many users and share resources between them in a client-server architecture. Early examples of client-server operating systems include Novell NetWare, Solaris, Windows NT/2000/XP/Server 2003, HP-UX, AIX and Linux. This description of operating systems is now largely historical, as common operating systems include a network stack to support a client–server model.  Wikipedia  Netacad       

NX-OS OS developed by Cisco for their Nexus line of switches.   Wikipedia         

Odyssey Codename for an unreleased version of Windows.   Wikipedia         

OpenBSD UNIX like OS based off BSD. Forked from NetBSD in 1995.  Website  Wikipedia       

OpenVMS  First released October 25, 1977.  Website  Wikipedia       

OS/2    Wikipedia         

Panther (Mac OS X 10.3)   Wikipedia         

Perl Shell (PSH)             

pfSnese Open source firewall based on FreeBSD.   Wikipedia  Website       

Project Brillo Android based OS for IoT. Developed by Google.   Website  Ars Technica       

Puma (Mac OS X 10.1)   Wikipedia         

Real-Time Executive for Multiprocessor Systems (RTEMS) (formerly Real-Time Executive for Missile Systems, Real-Time Executive for Military Systems) Free and open-source Real-Time Operating System (RTOS) designed for embedded systems. Development began in the late 1980s with early versions available via ftp as early as 1993.  Website  Wikipedia       

RTLinux Hard realtime RTOS microkernel that runs the entire Linux operating system as a fully preemptive process. Discontinued August 2011.  Website  Wikipedia       

Sierra (macOS 10.12) Released September 20, 2016.  Website  Wikipedia       

Snow Leopard (Mac OS X 10.6)   Wikipedia         

SteamOS  Initially released December 13, 2013.  Wikipedia         

Threshold Codename for Windows 10.   Wikipedia         

Tiger (Mac OS X 10.4)   Wikipedia         

Ubuntu A Linux distribution based off of Debian.   Wikipedia  Website       

Ubuntu 16.04  Released April 21, 2016.  Ubuntu Insights         

UNIX An operating system developed by Bell Labs with Ken Thompson and Dennis Ritchie. Originally written in the PDP-7 assembly language. OS X and Linux are two popular operating systems based off UNIX.   Wikipedia         

Version 7 Unix (V7)    Wikipedia         

virtual memory system (VMS)             

VxWorks Real-Time Operating System (RTOS) intended for embedded devices. Runs on many architectures, and supports features such as SMP, IPv6, TIPC and memory protection. Developed as proprietary software by Wind River Systems. First released in 1987.  Website  Wikipedia       

watchOS 4  Released September 19, 2017.  Website  Wikipedia       

Wind River Linux Source code and a build system that generate runtime images suitable for embedded devices. It supports a variety of architectures, including ARM, MIPS, PowerPC, IA32 and SPARC.   Website  Wikipedia       

Wind River Systems Alameda, California-based that company develops embedded system software. Founded by Jerry Fiddler and Dave Wilner in 1981.  Website  Wikipedia       

Windows Operating system developed by Microsoft.   Website  Wikipedia   Wikipedia (Version List)  MSDN (Operating System Version)   

Windows 1.01  Released November 20, 1985.  Website  Wikipedia       

Windows 10 Codename: Threshold. Version: 10.0.10240. Initially released to the public July 29, 2015.  Download  Wikipedia       

Windows 2000    Wikipedia         

Windows 3.1 (codenamed Janus) Released April 6, 1992.  Wikipedia  This Day in Tech History       

Windows 4.0    Wikipedia         

Windows 7 (Version 6.1.7600) Initially released October 22, 2009.  Wikipedia         

Windows 7 Service Pack 1 (Version 6.1.7601) Released February 22, 2011.  Wikipedia         

Windows 8  Released October 26, 2012.  Wikipedia         

Windows 8.1 Version 6.3.9600. Released April 8, 2014.  Wikipedia         

Windows 95 (Chicago)   Wikipedia         

Windows 98 (code name: Memphis) Released May 15, 1998.  Wikipedia         

Windows ME  Released September 14, 2000.  Wikipedia         

Windows NT Family of operating systems from Microsoft. This began with Windows NT 3.1 released July 27, 1993.  Wikipedia         

Windows NT 3.1  Released July 27, 1993.  Wikipedia         

Windows NT 4.0  Released July 31, 1996.  Wikipedia         

Windows Preinstallation Environment (WinPE)    Wikipedia         

Windows RT Version of Windows for ARM processors. Released October 26, 2012.  Wikipedia         

Windows Server 2008  RTM February 4, 2008. General availability February 27, 2008.  Website  Wikipedia       

Windows Server 2016 Network operating system from Microsoft. RTM September 26, 2016.General availability October 12, 2016.  Wikipedia         

Windows Server Insider Preview Build 16237 First Windows Server Insider Preview build available to Windows Insiders. Released July 13, 2017.  Windows Blogs         

Windows Shell The GUI for Windows.   Wikipedia         

Windows Vista (Longhorn) Released January 30, 2007.  Wikipedia         

Windows XP (Whistler) Initially released October 25, 2001.  Wikipedia         

Yosemite (OS X 10.10) Released October 16, 2014.  Wikipedia