operating system deployment manager(A security role that grants permissions to administrative users so that they can create, deploy, and manage operating system images. Rori)
MS-DOS operating system(A Microsoft computer operating system with a command-line interface that is used to control many internal computer functions, such as running programs and organizing and maintaining files)
Macintosh operating system(The name given to the Macintosh operating system, beginning with version 7.5 in September 1994, when Apple started licensing the software to other computer manufacturers)
guest operating system profile(A library resource containing the most common settings from a Sysprep.inf file, including the computer name and domain or workgroup settings, which can be applied to a virtual machine template)
operating system deployment(A Configuration Manager feature that allows you to create operating system images and deploy those images to target computers)
universal Windows app(Universal Windows apps is an app model that allows you to share source code between Windows Phone & Windows apps (8.1+) and are deployed to the Windows Store. Alex_Odeychuk)