Suppose your pc gets harmed by a virus or due to any other reasons the computer`s operating system such as windows may be corrupted and you cannot access your files; in that case all your valuable data may be lost. Another reason may be that your hard-disk gets bad sectors or errors which erase the personalized settings of your computer along with the important applications and the files you cannot produce again.
In such a scenario, one need a procedure that would make sure that if anything goes wrong with the computer, the files and the settings that you saved on the computer are not deleted and destroyed. The backup softwares are answer to that need. Backup software can be implemented on the booting of the computer as well as running as an application on the operating system. They are used to create the exact copies of the data or whole computers which can be used to restore the original data if lost.
To keep the efficiency of the backup software high the main things that have to be considered for backup software are as following
1. The data is split into different portions for easy access and operations called volumes.
2. To avoid using up too much space the data has to be compressed.
3. Regular scheduling of creating backups so that backup data is frequently updated with the newer files.
4. If the data is secret then apply encryption to it.
Most common backup softwares include Genie Backup Manager, RestoreIT, Acronis True Image and a few others