From Wikipedia, the free encyclopedia
Pack
is a legacy
Unix shell
compression program
based on
Huffman coding
.
[1]
[2]
The
unpack
utility will restore files to their original state after they have been compressed using the
pack
utility. If no files are specified, the
standard input
will be uncompressed to the standard output.
Although obsolete, support for packed files exists in modern compression tools such as
gzip
[3]
and
7-zip
.
Description of program
[
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]
Files compressed by
pack
are typically given the
extension
".z" (not to be confused with the ".Z" of
compress
). Files can be returned to their original state using
unpack
. In addition, there may also be a
pcat
command which reads in a compressed file and sends its output to
stdout
.
See also
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]
References
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]
External links
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]