compress, uncompress, zcat — Compress, Uncompress Files or Display Expanded Files
Synopsis
/usr/bin/compress [-fv] [-b bits] [file...] /usr/bin/compress [-cfv] [-b bits] [file] /usr/bin/uncompress [-cfv] [file...] /usr/bin/zcat [file...]
Description
compress
The compress command tries to reduce the size of the named files by using adaptive Lempel-Ziv coding. Except when the output is to the standard output, each file is replaced by one with the extension .Z, while keeping the same ownership modes, change times, and modification times.
If appending the .Z to the file name would make the name exceed 14 bytes, the command fails. If no files are specified, the standard input is compressed to the standard output.
The amount of compression obtained ...
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