October 2001
Intermediate to advanced
1040 pages
22h 50m
English
Content preview from UNIX® Shells by Example, Third Edition
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compress—compress, uncompress, zcat compress, uncompress files, or display expanded files
compress [ –cfv ] [ –b bits ] [ filename... ]uncompress [ –cv ] [ filename... ]zcat [ filename... ]
compress reduces the size of the named files using adaptive Lempel-Ziv coding. Whenever possible, each file is replaced by one with a .Z extension. The ownership modes, access time, and modification time will stay the same. If no files are specified, the standard input is compressed to the standard output.
Example A.11.
1 compress -v book
book:Compression:35.07% -- replaced with book.Z
2 ls
book.Z
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EXPLANATION
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