FreeBSD is a free Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).
Windows 7 (codenamed Vienna, formerly Blackcomb) is a personal computer operating system developed by Microsoft.
Windows XP (codenamed Whistler) is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems.
Ubuntu is a Debian-based Linux operating system and distribution, with Unity as its default desktop environment for personal computers including smartphones in later versions.
MINIX 3 is a project to create a small, highly reliable, and functional Unix-like operating system.
Windows 95 (codenamed Chicago) is a consumer-oriented operating system developed by Microsoft.
Windows 3.1x (codenamed Janus) is a series of 16-bit operating systems produced by Microsoft for use on personal computers.
Windows 98 (codenamed Memphis while in development) is a graphical operating system by Microsoft.
OS/2 is a series of computer operating systems, initially created by Microsoft and IBM, then later developed by IBM exclusively.
Solaris is a Unix operating system originally developed by Sun Microsystems.
Plan 9 from Bell Labs is a distributed operating system, originally developed by the Computing Sciences Research Center at Bell Labs between the mid-1980s and 2002.
Mac OS 9 is the ninth and final major release of Apple's Classic Mac OS operating system.
System 6 (also referred to as System Software 6) is a graphical user interface-based operating system for Macintosh computers.
QNX is a commercial Unix-like, real-time, and microkernel-based operating system, aimed primarily at the embedded systems market. The product was acquired by BlackBerry in 2010. QNX was one of the first commercially successful microkernel operating systems and is used in a variety of devices including cars and mobile phones.
This machine includes the Photon GUI.
Xenix is a discontinued version of the Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation in the late 1970s.