gzip and gunzip: Files With .gz Extensions
by Brent Fox
Last Modified: Wednesday, 19-May-2004 11:55:34 EDT
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Introduction
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gzip and gunzip are GNU file compression
and decompression utilities. Usually, files that have been compressed by gzip
will have a .gz extension. However, sometimes you may see a file that has a
.tgz extension. This is a TAR file that has been compressed by
gzip. The .tgz extension is a shorthand version for
the .tar.gz extension. This type of file must be uncompressed with
gunzip before it can be untarred. However, there is a way to use the
tar command to uncompress the file and untar it at the same time. For more information,
see the tar: Tape Archive Files guide.
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Uncompressing a gzip File Using gunzip
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To uncompress a gzip file, execute the following command:
gunzip filename.txt.gz (where filename.txt.gz
is the name of the file you wish to uncompress)
The result of this operation is a file called filename.txt.
By default, gunzip will delete the filename.txt.gz file.
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Compressing a File Using gzip
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To compress a file using gzip, execute the following command:
gzip filename.txt (where filename.txt
is the name of the file you wish to compress)
The result of this operation is a file called filename.txt.gz.
By default, gzip will delete the filename.txt file.
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What's Related
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Last modified: Wednesday, May 19, 2004
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