BeOS basically does not run other applications that are not developed for this operating system. This operating system is only available in English, French and Japanese languages. With the new version 5.0 BeOS is at the first time free of charge for private use and was named "Personal Edition".
IRIX SGI uses the industry standard UNIX to create its own operating system IRIX. Thus a basis for Hightech computing and graphic computing was created. IRIX is compatible with the UNIX system V Release 4 and is compatible to the standard UNIX 95. Therefore it supports among other things POSIX and is year 2000 compatibly.
Just like Windows XP, Windows 7, Windows 8, and Mac OS X, Linux is an operating system. An operating system is software that manages all of the hardware resources associated with your desktop or laptop. To put it simply – the operating system manages the communication between your software and your hardware.
The current Mac operating system is macOS, originally named "Mac OS X" until 2012 and then "OS X" until 2016. Developed between 1997 and 2001 after Apple's purchase of NeXT, Mac OS X brought an entirely new architecture based on NeXTSTEP, a Unix system, that eliminated many of the technical challenges that the classic Mac OS faced.
Windows 7 system requirements If you want to run Windows 7 on your PC, here's what it takes: Additional requirements to use certain features: Product functionality and graphics may vary based on your system configuration. ... PCs with multi-core processors: Windows 7 was designed to work with today's multi-core processors. ...