Ez ugyan 64 bites Linux, de még egy gzip is képes > 50%-ot hozni rajta, ami azért egy picit több az 5%-nál.
$ uname -a
Linux Lenovo-510 5.10.60.1-microsoft-standard-WSL2 #1 SMP Wed Aug 25 23:20:18 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.3 LTS
Release: 20.04
Codename: focal
$ tar -czf bin.tgz /bin
tar: Removing leading `/' from member names
tar: Removing leading `/' from hard link targets
$ gzip -l bin.tgz
compressed uncompressed ratio uncompressed_name
7762829 17285120 55.1% bin.tar