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Windows 2.x: Difference between revisions
→Windows/386: grabber files are used for clipboard
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== Windows/386 == | == Windows/386 == | ||
Windows/386 is a variant of Windows 2 optimized for the [[w:i386|386]] processor. It takes advantage of the [[w:Virtual 8086 mode|virtual 8086 mode]] to preemptively multitask MS-DOS applications, although Windows itself still uses cooperative multitasking. Each MS-DOS instance runs in a separate virtual machine on top of a 32-bit virtual machine manager, which allows for better compatibility as they no longer share memory space with the rest of the environment. A bigger range of applications can also run in a window as opposed to the original variant | Windows/386 is a variant of Windows 2 optimized for the [[w:i386|386]] processor. It takes advantage of the [[w:Virtual 8086 mode|virtual 8086 mode]] to preemptively multitask MS-DOS applications, although Windows itself still uses cooperative multitasking. Each MS-DOS instance runs in a separate virtual machine on top of a 32-bit virtual machine manager, which allows for better compatibility as they no longer share memory space with the rest of the environment. A bigger range of applications can also run in a window as opposed to the original variant. | ||
A modified version of Windows runs in the so-called System VM, a special virtual machine that controls the VMM and has access to all I/O devices by default. Both Windows and MS-DOS applications could also make use of [[w:Expanded memory|EMS]] emulation provided by the virtual machine manager. However, swap is not supported and all running applications therefore have to fit into physical memory. | A modified version of Windows runs in the so-called System VM, a special virtual machine that controls the VMM and has access to all I/O devices by default. Both Windows and MS-DOS applications could also make use of [[w:Expanded memory|EMS]] emulation provided by the virtual machine manager. However, swap is not supported and all running applications therefore have to fit into physical memory. | ||