Tar4.7z -

: The native .7z format often does not preserve Unix-style file permissions, ownership, or extended metadata. By first creating a .tar file, these attributes are locked in before compression.

: The 7-Zip algorithm (LZMA) generally achieves a much higher compression ratio than standard ZIP or GZIP, making it ideal for large-scale archival. tar4.7z

Users typically combine these two formats to solve specific limitations of each: : The native

: Since 7-Zip treats the entire .tar file as a single data stream, it can find redundancies across multiple files, further reducing the final size. How to Create and Extract tar4.7z