Cooper's DWC, LHarc by Haruhiko Okomura and Haruyasu Yoshizaki and ARJ which stands for "Archived by Robert Jung". Other archivers also appeared during the 1980s, including Rahul Dhesi's ZOO, Dean W. These archives can optionally be passed though a stream compressor utility, such as compress and others. These utilities were designed to gather a number of separate files into a single archive file for easier copying and distribution. They include the Unix utilities ar, shar, and tar.
File compression routines date back to at least the 1960s: IBM had a compression program called SQUOZE that was commonly used to pack programs on the 7 mainframes as part of the SHARE operating system.īy the 1970s file archiving programs were distributed as standard utilities with operating systems.
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