System image: Difference between revisions

Revision as of 14:56, 29 March 2013

Revision as of 10:49, 18 June 2013

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In [[computing]], a '''system image''' is a copy of the entire [[State (computer science)|state]] of a [[computer system]] stored in some [[Secondary storage|non-volatile]] form such as a [[Computer file|file]]. A system is said to be capable of using system images if it can be shut down and later restored to exactly the same state. In such cases, system images can be used for [[backup]].

[[Laptop]] computer [[Hibernate (OS feature)|hibernationHibernation]] is an example that uses an image of the entire machine's [[Random-access memory|RAM]].

==Disk images==