A virtual machine (VM) is an emulated computer system that runs on the top of a physical host machine. It appears to the user as a real computer system and can run various operating systems like Windows, Linux or macOS. VMs are well-known because they permit multiple environments to be hosted on a single server, resulting in significant cost savings for companies.
Typically typically, a VM is generally a “guest” on host computers that provide hardware resources like processors, memory and hard disk drives. Therefore, businesses can put several VMs on the same host machine, allowing scalability that allows IT infrastructure to expand or shrink according to the need. This flexibility also helps reduce the time IT teams are spending deploying and managing software updates, because they can do this by server rather than having to manage each physical machine.
There are two types of VM Hypervisors that are Type 2 and Type 1. Type 1 hypervisors perform better because they run directly on a host computer without the need for an OS full-blown. Type 2 hypervisors direct each VM request to the host operating system. This can reduce processing speeds and cause additional costs.
In addition to their scalability, virtual machines also help improve IT security and disaster recovery. Virtual machines are not tied to the physical hardware used to create them. This makes it easier to restore the VM in the event of a natural disaster or outage. This can help prevent data loss and downtime which can have a direct impact on the bottom line of your business.
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