Tar gzip compression rate


 
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Top Forums UNIX for Advanced & Expert Users Tar gzip compression rate
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Old 09-21-2019
Totally depends on what you are compressing. If it's plain text you would be able to compress by the size you have mentioned. Try video it would be another story altogether.
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GZNEW(1)						      General Commands Manual							  GZNEW(1)

NAME
gznew - recompress .Z files to .gz files SYNOPSIS
gznew [ -ftv9PK] [ name.Z ... ] DESCRIPTION
gznew recompresses files from .Z (compress) format to .gz (gzip) format. If you want to recompress a file already in gzip format, rename the file to force a .Z extension then apply gznew. OPTIONS
-f Force recompression from .Z to .gz format even if a .gz file already exists. -t Tests the new files before deleting originals. -v Verbose. Display the name and percentage reduction for each file compressed. -9 Use the slowest compression method (optimal compression). -P Use pipes for the conversion to reduce disk space usage. -K Keep a .Z file when it is smaller than the .gz file SEE ALSO
gzip(1), gzmore(1), gzdiff(1), gzgrep(1), gzforce(1), gzexe(1), compress(1) BUGS
gznew does not maintain the time stamp with the -P option if cpmod(1) is not available and touch(1) does not support the -r option. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgzip | +--------------------+-----------------+ |Interface Stability | External | +--------------------+-----------------+ NOTES
Source for gzip is available in the SUNWgzipS package. GZNEW(1)