olemus
varukopeerimine, mille puhul
kopeeritakse ainult need failid,
mis on pärast viimast täielikku varundust muutunud

ülevaateid
https://www.codetwo.com/admins-blog/difference-differential-incremental-backup/

http://www.organizingphotos.net/backup-basics-types-backups/

http://classes.ischool.syr.edu/ist469/Content/wk06/Backups.pptx

https://www.atlantech.net/blog/full-backup-vs.-incremental-backup-vs.-differential-backup-which-is-best

https://10web.io/blog/differential-backup-and-how-to-benefit-from-it/

vt ka
sammvarundus