And two other small partitions–system reserved and for recovery. The partition hosting the operating system (OS) is given the letter C, calling it C Drive. Usually, factory-shipped Windows computers come with just three partitions. It becomes easy to segregate the contents, and a partitioned drive allows easy recovery if anything goes wrong. So, it’s best to partition your hard drive correctly. It can get corrupted, taking away all your data, installed applications, and anything stored with it. Disk partition is necessary for the effective use of your hard drive.Īnd things could go wrong at any moment. Whoops! The same thing can happen to a hard disk without any partition.Įverything on one single-giant volume it’s like a toddler’s way of storing things. Imagine your refrigerator without any shelves.