What is the meaning of hard disk formatting high and low! How to format high and low?

Formatting is divided into high-level formatting and low-level formatting! High-level formatting, simply put, is all formatting under the Windows operating system! High format belongs to the logical non-physical level of formatting, injury to the disk, but not very obvious injury to the disk, high format is like a person smoking it, harmful to the human body, but do not know when it will kill! Low format, it must operate in the dos environment formatting, and low belongs to the physical level of formatting, very damage to the hard disk! If a good disk you're okay format it dozens of times, there must be bad sectors! General factory format once, generally if the hard disk does not have bad sectors, or bad sectors but not so bad that you can not use the hard disk, not low formatting! Simply put, low formatting is a tool for medical dead horses!