Per this 2018 page, GNU tar seems to work with SCHILY.* encoded xattrs, but not LIBARCHIVE.* ones: * https://mgorny.pl/articles/portability-of-tar-features.htm

Per this 2018 page, GNU tar seems to work with SCHILY.* encoded xattrs, but not LIBARCHIVE.* ones: * https://mgorny.pl/articles/portability-of-tar-features.html#generic-extended-attributes https://mgorny.pl/articles/portability-of-tar-features.html#... * Via: https://github.com/mxmlnkn/ratarmount/issues/145 https://github.com/mxmlnkn/ratarmount/issues/145 bsdtar ≥3.7.2 apparently adds both types to its files for maximum portability: * https://github.com/libarchive/libarchive/pull/691/files#diff-dadc66d540d1d3dbe2364cc4e7c99e329b68e6830e467e594002f03864074231R146 https://github.com/libarchive/libarchive/pull/691/files#diff... AFAICT, bsdtar will default to "ustar" format, but will auto-switch to "pax" if needed.