SIZ Education || Backup of important data || by @ghazi.vani || 20% Payout to @siz-official

Hello Everyone!

I hope all will be fine with the grace of God and enjoy your life. It's Umair Zahid, I am very busy with family for the past few days so I can not post regularly. It's my comeback and I will do posts regularly.

Source

Backup:

Backup is the process of copying important data to another location to prevent their loss. Sometimes programs and even entire operating systems are copied, to be able to immediately continue working even when a computer breaks.
There are three very good reasons to do regular backups:)
• against the user, who can accidentally delete some files or who can modify files and then change his mind. Having a recent backup handy can often save hours of work.
• against the system, which can suddenly break due to hardware or software problems. Even hard disks tend to be unreliable after some years of continuous activity. A recent backup saves the user from redoing all the work of the previous months.
• against viruses and other users, which can delete and alter files: a backup can save a user coming back from vacation.

Usually, the operating system’s and the programs’ backup are done by system administrators: law 196/2003 explicitly requires an instantaneous backup for all sensitive data, and that data is restored within 7 days in case of loss. However, there are some files that should be taken in charge by the user himself.
• personally created data files, including all documents and images created by the user, and any other file which is a result of the user’s personal work.
• in case emails are not handled with an online system: the contacts, calendar, and the emails (mail readers usually offer a way to save them into files to be used for backup).
• some programs require a lot of configuration and store their configuration in configuration files, which are usually in the program’s directory.
• all the stuff which is difficult to find again, such as documents from other people or downloaded from forgotten websites.

The place where the files are copied determines the reliability of the backup. It should be a large, cheap, and fast storage device. It should also be handy, since the typical problem with backup is that the user does not take time to do it regularly and, when the backup is too old, it is worthless. For home or simple office users, the Friday morning backup is a good timing solution.
Good storage devices to be used are:
• a second hard disk, used only for backup, which is very fast and very large and always ready to be used.

Regards: @ghazi.vani