Slack space is unused space in a cluster.
If a file requires less space than a cluster, the center cluster will be reversed but data will be stored in it.
Any extra space(Sector) not used to write data is a slack space, and it might contain data of the previously stored file.
If a file requires less space than a cluster, the center cluster will be reversed but data will be stored in it.
Any extra space(Sector) not used to write data is a slack space, and it might contain data of the previously stored file.