This meant computers found files slowly, and the entire system would, in turn, run slowly. Rather than keeping associated files together, the computer may have them scattered throughout the file system. But over time, deleting a file here or there meant random areas of space where computers could store those files. If you had a program that needed access to ten different files, the logical step would be to store them right next to each other so the computer could find them quickly. When a computer stores files, it places them wherever it has room on its drive. What is disk defragmentationīack in the day of tall PC towers and hard drives, you could hear spinning inside those boxes, disk defragmentation was a critical component of keeping a computer operational and healthy. We’ll walk you through how to defrag a Mac, let you know if you even can defrag a Mac, and discuss disc defragmenter Mac computers may find useful, as well as some alternatives that are likely more suitable to your needs. Still, there are times you should intervene. Modern systems do a much better job of defragmenting file storage and memory on their own without your interference.

Disk defragmentation can help a computer operate smoothly, that’s certain, but should we still be doing this?ĭefragmentation is a relic of older computing paradigms, and memory management. Make your Mac fast and secure with CleanMyMac X.Ī common perception is that any slow-running computer should be defragmented.

How to defrag a mac book