So, without any proper recovery solution, it might take days or even weeks to repair the damage. Now high data generation means also a high risk of data loss if your hard disk gets crashed. Now the desktop and server systems come with 100Gb to Terabyte this means lots of data generation. There were days when computer systems came with few MB of storage capacity but those days are gone. And to solve this problem there are some best open source backup software those can protect servers and desktops running various versions of Linux, UNIX, BSD, Mac OS-X and Microsoft Windows operating systems. Not only enterprise but home users also need a backup software to save their lifetime memories such as videos and images. Open source backup and recovery software always an important part of a medium to large companies because losing a single byte of data can change their positioning.