What is the best unix compression utility available?
gzip. gzip (GNU zip) is one of the most used Linux compression methods.
zip is used to compress the files to reduce file size and is also used as file package utility. zip is available in many operating systems like Unix, Linux, Windows, etc.
Maximum compression speed results At maximum compression level, ZIPX is the fastest format, followed by RAR, ARC, and 7Z, ZPAQ being the slowest. Using moderate compression settings, RAR and ARC emerge as the fastest formats.
depends on your speed/size tradeoff. Gzip is fast and yields good results. Bzip2 is slow and often yields better results.
A good compression utility is 7-zip (p7zip on linux) using the lzma-algorithm (slow compression, good decompression speed, very good compression ratio). Can decompress most popular archive-formats.
You can also look at compression benchmark sites:
Maximumcompression
Compressionratings
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