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OSXFAQ Daily Unix Tricks
Week 37 - Compressing Files (24 March 2003)
by
Adrian Mayo - Senior Editor for Mac OS X Unix
Monday - Zipping
I guess the zip compression utility needs no introduction. OS X comes with the GNU version, gzip.
To compress (zip) a file, use:
gzip filename
This will replace the file with a compressed version with the extension '.gz'
To unzip:
gunzip filename
or
gzip -d filename
The default level of compression (which is 6) can be changed. 1 (--fast) is the lowest level of compression but the fastest algorithm, 9 (--best) is the highest level of compression but slowest algorithm.
gzip --best filename
If you want to learn more about Mac OS X Unix visit the Learning Center
click.
- For beginners: the Mac OS X Unix Tutorial
- For detailed information on specific topics: Mac OS X Advanced Unix
- For answers to common problems: Mac OS X How To
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