File Archiving and Compression
File compression and file archiving are two separate activities. However, they can also be used in combination. For example, it is often the case that for many files, to first make a single-file archive containing all files, and then compress the archive. These videos describe how to compress and archive files.
How to compress files.
How to create an archive (a single file) that contains many files, and how to compress this resulting file.