Frequently Asked Questions -> Tasks
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What does "wasted space" mean? |
Wasted space refers to the unusable space that occurs because of the way files are stored on a hard disk (or other storage device). | |
Files are stored in clusters. A cluster is the smallest unit of disk space that can be allocated to a file, which is why clusters are often known as “allocation units”. | |
The size of a cluster is calculated by multiplying the number of bytes in a sector by the number of sectors in a cluster. For a modern hard disk this might be 512 and 8 respectively. 512 bytes x 8 = 4096 bytes = 4k. This drive can be said to have 4k clusters. | |
A file of 5k on this drive wouldn’t fit in to one cluster; it would need two, and therefore take up 8k of space, wasting 3k. | |
Having lots of very small files on a hard disk can cause a large amount of wasted space. | |
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Can I customise the summary report? |
Yes. Click on this icon ![]() |
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How can I quickly see all of the graphics files from the last scan? |
From the File Properties section, click the Categories tab and double-click the "Graphics" row of the table, or, click the slice of the pie chart that represents graphics files. This will open the search window and show all the files from the selected category. | |