Best Compression Format ?

Question

Of the following formats, which offers the highest compression ratio?

.tar.gz
.tar.bz2
.tar.lzma
.tar
.zip
.ar
.ear
.jar
.war
.7z

Answer 1

gz or gzip is very good (or as you have it listed tar.gz which would be a tarred gzip file)



I use it compressed dozens of gigabytes of log files daily in a commercial environment - works excellent

Answer 2

Absolutely 7z..

Answer 3

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