It is said that disaster management is very wise, crucial and smart step taken when you know that the conditions are vulnerable and the disaster is not inevitable, it will happen this way or that way. It can happen in any form.
For a computer user the data loss is equivalent to any disaster form in the real/ physical world. Data can be or to be precise, data is very crucial thing for a computer user when it's regarding the information it carries.
The data can be of professional and personal importance to a person and in both the cases its loss is unacceptable. Just imagine that you prepared a presentation in your computer which you have to give next day in your office and for some reason you lose it. Will it be acceptable to you that all your hours of hard work you have put in it is wiped off just because of some computer fault or error. Of course! Not. In such cases the creation of BKF (back up format) files of the original data comes handy as they act as the backup in case of emergency of data loss. BKF files are run by Windows Backup utility (NTBACKUP) program which is in-built backup command of Microsoft windows.
