For what it matters, I’m on Fedora and going to use the solution in a script to create my backups. Hence I want the archive to be accessible on Linux, Android and Windows alike.
From the pieces I gathered, the way is to:
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Use 7-Zip available on Fedora as 7z.
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Set the compression method to Deflate as the most universally supported one.
However, 7z man comes with a dead link and I cannot wrap my head around https://documentation.help/7-Zip/method.htm#MethodID
What do they mean by {N}? Could please someone provide an example? Any other suggestions and comments welcome.