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KVM is an integral part of Linux that turns the kernel into a hypervisor, allowing users to create and manage virtual machines on Linux servers. As an open-source project, KVM enables you to run multiple virtual environments efficiently on a single physical server. It leverages the hardware virtualization features of modern processors (Intel VT and AMD-V) for improved performance and resource utilization. KVM supports a wide range of guest operating systems, including various Linux distributions and Windows, making it a versatile choice for organizations of all sizes.

One of the key features of KVM is its ability to scale efficiently, allowing businesses to grow their virtual infrastructure as needed. It is well integrated with various management tools like libvirt for easy VM management, and cloud platforms like OpenStack for building private clouds. KVM's security features, including SELinux and AppArmor, enhance the security posture of virtual machines, which is crucial for enterprises. Being a free and open-source solution, it provides cost savings on virtualization licenses while offering robust capabilities, thus making it a popular choice in the DevOps community.