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 |
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 |
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
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
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