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Which type of operating system is used by mainframe computers?
z/OS, a widely used mainframe operating system, is designed to offer a stable, secure, and continuously available environment for applications running on the mainframe. As a control program, z/Virtual Machine (z/VM) is a hypervisor because it runs other operating systems in the virtual machines it creates.
What are the most popular operating systems for mainframe computers personal computers?
For desktop and laptop computers, Windows is the most used at 75%, followed by Apple's macOS at 15%, and Linux-based operating systems, at 5% (i.e. "desktop Linux" at 2.48%, plus Google's ChromeOS at 2.38%, in the US up to 3.2%).
What is the most widely used operating system?
Microsoft Windows.
Microsoft Windows is one of the popular operating system types and is preloaded on most new PC hardware.
Which OS is widely used on servers?
According to some statistics, roughly 80% of all servers use some variation of Linux, while about 20% of servers use Windows.