Backup your system to avoid data loss
You have a well organized system containing 1 TB data, then something wrong happens, half of it is lost. Do you have your backup? In information technology, a backup or the process of backing up refers to making copies of data so that these additional copies may be used to restore the original after a data loss event. The verb is back up in two words, whereas the noun is backup (often used like an adjective in compound nouns). Backups are useful primarily for two purposes. The first is to restore a state following a disaster (called disaster recovery ). The second is to restore small numbers of files after they have been accidentally deleted or corrupted. Data loss is also very common. 66% of internet users have suffered from serious data loss. Some books are recommended to learn more about disaster recovery: IT Disaster Recovery Planning For Dummies Business Continuity and Disaster Recovery Planning for IT Professionals The Disaster Recovery Handbook: A Step-by-St...