Operation System Installation Methods
There are four types of Operation System Installation Methods. They are clean install, upgrade, multiboot, and virtualization. Clean install is used when you buy a new computer or a used computer you want to wipe everything off of it. It deletes all the data on the partition where the OS is installed and requires application to be reinstalled. Upgrade is when you have an OS on your computer and you want to put the same brand OS on it but just the new version of it. Also with an upgrade, system configuration settings, applications and data are preserved. Multiboot is installing more than one OS on a computer. Each OS is contained within its own partition and can have its own files and configuration settings. Only one OS can run at a time and is in full control of the hardware. Vertualizatin is a technique that is often deployed on servers. It lets the computer have many OS on it. The OS can be running at the same time.
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