The operating systems run through VirtualBox is called a guest operating system, and the machine it is running on is called a virtual machine that emulates the real machine.Īfter installing VirtualBox, create a virtual machine because a guest operating system requires a machine to operate. Many users use VirtualBox, Oracle’s cross-platform app for x86 virtualization to boot other operating systems right from the host operating system. Likewise, in VirtualBox, we also need to assign a startup disk of the guest operating system. Therefore, every computer needs a startup disk. The startup disk contains files required for boot sequence, where boot sequence is the initialization of key processes needed for a user to interact with a computer.
Startup disks are typically internal hard drives or SSDs of the computer if the operating system is installed on them, and they come into the category of secondary memory.
So what is a startup disk? A startup disk, also known as a boot disk, is a storage device that contains an operating system it can be a CD, DVD, USB, or even a hard drive. Both types of memory are crucial parts of a computer because one stores your app data temporarily, and the other stores your operating systems, applications, and media. Primary memory includes RAM and ROM, whereas secondary includes hard drives, DVDs, etc. Primary and secondary are two types of memory that a computer needs to function.
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