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Hour 11. Finding Programs and Files > Working with Zip Files

Working with Zip Files

The larger a file is, the longer it takes to download. So some files online are compressed—converted into smaller files—to cut the download time. After downloading, you must decompress a compressed file to restore it to its original size and use it.

Also, most application programs are made up not just of one fat file, but of a collection of program and data files. A single compressed file can pack together many separate files, so they can all be downloaded together in one step. When you decompress a compressed file containing multiple files—which is sometimes called an archive—the files are separated.


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