Backup: explanations of general notions and terms with regard to backing up.
Data system: files i.e. Microsoft Office documents, databases like SAGE or QuickBooks
Online backup: A backup during a normal update data system session.
Offline backup: A backup when data system updates are disabled (the sharing server is off, or in stand-by mode, or in read-only mode).
Complete backup: All data of the whole file system or the logical or physical subset of the data system is saved.
Incremental backup: Only the data which has been changed since the previous backup is saved. A recovery is only possible if a previous full backup is available, as well as all following incremental backups.
Full backup: The complete data system set is saved.
Partial backup: Only a logical or physical subset of the data system is saved.
Internal backup: The data system back up your files to your hard drive not an other device.
External backup: Another system outside of the data store saves the content of the database.
Restore: recreates the content of the data system at backup time from the backup devices or locations.
Full restore: The complete data system is restored. A full restore is only possible after a full backup.
Partial restore: Only a logical or physical subset of a data system is restored. A partial restore is possible after a full or partial backup.