defragmentation

Defragmentation is a process used to reorganize the data stored on a computer's hard drive. Over time, as files are created, deleted, and modified, data can become scattered in separate pieces, making it harder for the computer to access them quickly. Defragmentation rearranges this data so that related pieces are stored closer together, which improves the computer's performance. Think of it like tidying up a cluttered bookshelf: by putting books back in order, you can find and access them more efficiently.