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2. Backup rotation scheme - Wikipedia

   en.wikipedia.org/wiki/Backup_rotation_scheme

   Grandfather-father-son backup (GFS) is a common rotation scheme for backup media, [1] in which there are three or more backup cycles, such as daily, weekly and monthly. The daily backups are rotated on a 3-months basis using a FIFO system as above. The weekly backups are similarly rotated on a bi-yearly basis, and the monthly backup on a yearly ...

3. Incremental backup - Wikipedia

   en.wikipedia.org/wiki/Incremental_backup

   A full backup is level 0. A level n backup will back up everything that has changed since the most recent level n-1 backup. Suppose for instance that a level 0 backup was taken on a Sunday. A level 1 backup taken on Monday would include only changes made since Sunday. A level 2 backup taken on Tuesday would include only changes made since Monday.

4. Glossary of backup terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_backup_terms

   the amount of time in which a given set of data will remain available for restore. Some backup products rely on daily copies of data and measure retention in terms of days. Others retain a number of copies of data changes regardless of the amount of time. Site-to-site backup. backup, over the internet, to an offsite location under the user's ...

5. Continuous data protection - Wikipedia

   en.wikipedia.org/wiki/Continuous_data_protection

   Continuous data protection (CDP), also called continuous backup or real-time backup, refers to backup of computer data by automatically saving a copy of every change made to that data, essentially capturing every version of the data that the user saves. In its true form it allows the user or administrator to restore data to any point in time. [1]

6. Time Machine (macOS) - Wikipedia

   en.wikipedia.org/wiki/Time_Machine_(macOS)

   Time Machine is the backup mechanism of macOS, the desktop operating system developed by Apple.The software is designed to work with both local storage devices and network-attached disks, and is commonly used with external disk drives connected using either USB or Thunderbolt.

7. List of backup software - Wikipedia

   en.wikipedia.org/wiki/List_of_backup_software

   This is a list of notable backup software that performs data backups. Archivers, transfer protocols, and version control systems are often used for backups but only software focused on backup is listed here. See Comparison of backup software for features.

8. Off-site data protection - Wikipedia

   en.wikipedia.org/wiki/Off-site_data_protection

   Sending backups off-site also ensures that there is a copy of pertinent data that is not stored on-site. Although some organizations manage and store their own off-site backups, many choose to have their backups managed and stored by third parties who specialize in the commercial protection of off-site data.

9. Back in Time (Linux software) - Wikipedia

   en.wikipedia.org/wiki/Back_in_Time_(Linux_software)

   Back In Time uses rsync as backend and has the characteristic feature of using hard links for files which are identical in snapshots at different times, thus using disk space just once for files that remained unchanged. It is possible to use several backup profiles, e.g. for backups on different hard disks and also to create schedules.