Enhancing Security and Flexibility with Virtual Machines in OS Environments

A virtual machine is a software-based emulation of a physical computer. It enables users to run multiple operating systems on a single physical machine, allowing for more efficient use of resources and better utilization of hardware. Virtual machines are commonly used for testing software compatibility, running legacy applications, and isolating different environments for security purposes. They are also widely used in cloud computing to provide scalable and flexible infrastructure for running applications.