Cluster

A cluster is the smallest unit of savable space a-part of hard disk sector. All clusters are assigned a unique number and keeps track of what files that cluster contains. Cluster numbers can be re-assigned (which helps free up space) using the “Scandisk” utility in Windows or “Disk Utility” in Mac OS. An used area of a cluster that can’t be reused in known as “cluster overhang”.

Written by Clio