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qcow is a file format for disk image files used by QEMU, a hosted virtual machine monitor. [1] It stands for "QEMU Copy On Write" and uses a disk storage optimization strategy that delays allocation of storage until it is actually needed.
Should the guest system become unusable (through virus attack, accidental system destruction, etc.), the user can delete the overlay and use an earlier emulated disk image. QEMU can emulate network cards (of different models) that share the host system's connectivity by translating network addresses, effectively allowing the guest to use the ...
The QEMU binary links to the spice-server library to provide this capability and implements the QXL paravirtualized framebuffer device to enable the guest OS to take advantage of the performance benefits the SPICE protocol offers. The guest OS may also use a regular VGA card, albeit with degraded performance as compared to QXL. [11] Xspice
Q is a free emulator software that runs on Mac OS X, including OS X on PowerPC.Q is Mike Kronenberg's port of the open source and generic processor emulator QEMU.Q uses Cocoa and other Apple technologies, such as Core Image and Core Audio, to achieve its emulation.
QEMU w/ kqemu module Fabrice Bellard: x86, x86-64 Same as host Linux, FreeBSD, OpenBSD, Solaris, Windows Changes regularly [7] GPL/LGPL: QEMU w/ qvm86 module Paul Brook x86 x86 Linux, NetBSD, Windows Changes regularly GPL: QuickTransit: Transitive Corp. x86, x86-64, IA-64, POWER MIPS, PowerPC, SPARC, x86 Linux, OS X, Solaris Linux, OS X, Irix ...
Mac OS (originally System Software; retronym: Classic Mac OS [a]) is the series of operating systems developed for the Macintosh family of personal computers by Apple Computer, Inc. from 1984 to 2001, starting with System 1 and ending with Mac OS 9. The Macintosh operating system is credited with having popularized the graphical user interface ...
Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor.It was merged into the mainline Linux kernel in version 2.6.20, which was released on February 5, 2007. [1]
The vast majority of Intel server chips of the Xeon E3, Xeon E5, and Xeon E7 product lines support VT-d. The first—and least powerful—Xeon to support VT-d was the E5502 launched Q1'09 with two cores at 1.86 GHz on a 45 nm process. [2]