What is Master boot record?
{{no sources|date=August 2018}} The '''master boot record''' is the first 512 [[kilobytes]] of a partitioned mass-storage device such as a [[Hard disk|hard drive]]. The master boot record gives the [[BIOS]] information on things like partitioning, file systems, location of the [[operating system]], etc. Because the master boot record is crucial for running the operating system, any changes to it may make the contents of a hard drive unreadable until they have been fixed. In the past, there have been instances of [[malware]] making changes to the master boot record. One noticeable example of this is [[CIH]]. {{tech-stub}} [[Category:Computing]]