Most of the users who work on the internet and do lots of researches each day, store their critical information like their bank account numbers and their PAN card numbers etc. may don't want to revel this information with other users. For these people and many others drive wipe is an advantage.
Deleting the files permanently prior to any donation or selling the system becomes the necessity in few cases for many reasons like that any confidential information can be retrieved by the suitable data recovery techniques, later on. Although, other utilities are also there like file wipe, yet wipe hard drive has no counterpart. The reasons for the same being the limitations set possessed by these utilities.
The two major disadvantages of the file wiping is first they require user involvement in the process and second some experts believe that file wiping programs don't always correctly and completely wipe file information. So the file can be retrieved.
In this case, physical destruction by th methods like disintegration, incineration, pulverizing, shredding and melting is also not recommended. This is due to the reason as this accomplishment leaves the hard drive in an unusable state and also the parts can't be disposed off.
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