ARC is a lossless data compression and archival format by System Enhancement Associates (SEA). It was very popular during the early days of networked BBS. The file format and the program were both called ARC. The ARC program essentially made obsolete the use of combinations of the SQ program to compress files and the LU program to create .LBR archives by combining the functions of both compression and archiving into a single program. ARC compress...
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ARC is a lossless data compression and archival format by System Enhancement Associates (SEA). It was very popular during the early days of networked BBS. The file format and the program were both called ARC. The ARC program essentially made obsolete the use of combinations of the SQ program to compress files and the LU program to create .LBR archives by combining the functions of both compression and archiving into a single program. ARC compresses multiple files into one - but unlike ZIP, not entire directory trees. The .arc format was the subject of quite a bit of controversy in the 1980s - an important event in the open source debate.
.arc is often also used as a file extension for several different file types that have in common that they are some kind of archive files. The Internet Archive uses their own ARC format for storing multiple web resources into a single file . FreeArc archiver uses the same file extension but completely different file format.
In 1985, Thom Henderson of...
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