Best options to use for file/directory compression

compress

Just a quick reminder, If you need the best ratio with different file compression software:



# 7z
7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on file_compressed.7z file_input
# tar.gz
env GZIP=-9 tar cvzf file_compressed.tar.gz file_input
# zip
zip -9 file_compressed.zip file_input
# rar
rar a -idq -r -y -m5 file_compressed.rar file_input
# Gzip
gzip -9 file_input

Let's do some benchmarks with a 8445 MB .img file on a Macbook pro 2017. Here the results:


tar.gz size: 3215 MB | time: 4m 59s

rar size: 2419 MB |  time: 9m 17s

zip size: 3204 MB | time: 13m

gz size: 3203 MB |  time: 14m

7z size: 2112 MB | time: 38m 29s

[ Which one should I use? ]

  • For files you don't need to use for a long time, 7z.

  • You need to compress some files and uncompress quickly onto your friend's house, rar for Windows or tar.gz for Linux friends.

  • Compress a lot of .img files to burn with Balena Etcher, zip or gz.


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