lz77: a file compressor/decompressor for CP/M, compatible with Linux
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"lz77" is a file compressor and decompressor that uses the Lempel-Ziv 1977
algorithm. A Linux version is available that is (almost) fully inter-operable
with the CP/M version. Thus, files can be compressed on Linux, an then
decompressed on CP/M. 

"lz77cat" uncompresses a file directly to the console, with 
a rudimentary paging facility.

Example
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To compress "foo.txt" to "foo.lz7"

    A> lz77 /C /I foo.txt /O foo.lz7

To decompress:

    A> lz77 /D /I foo.lz7 /O foo.txt

To view the compressed file on the console:

   A> lz77cat foo.lz7

Author
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lz77 is maintained by Kevin Boone, and is distributed under the terms of the
GNU public licence, v3.0.