What are a virtual machines and site their advantages?

• A virtual machine (VM) is a software implementation of a machine (i.e. a computer) that executes programs like a physical machine. Virtual machines are separated into two major classifications, based on their use and degree of correspondence to any real machine
  
  Advantages
  Ability to run more than one OS simultiously.
  Flexibility. You can install/reinstall/backup/move your guest OS easily. Also you can manage allocation of resource (Memory, Harddisk), and etc.
• 10 years agoHelpfull: Yes(4) No(2)
• virtual machine is a concept in which we used hardware or software environment without installing in our system. we can use no. of functionality in our system.
• 5 years agoHelpfull: Yes(0) No(0)