tar.xz
What is a .tar.xz file?
application/x-xz
TAR.XZ is a tar archive wrapped in an XZ stream, normally using LZMA2 compression. The .txz alias refers to the same layered format; XZ supplies stream checks and an index, while tar supplies filenames, metadata, member boundaries, and directory structure.
How to use a .tar.xz file
Use an example .tar.xz file and its .txz alias control to test XZ integrity checks, suffix normalization, bounded decompression, tar member ordering and metadata, path safety, and semantic reopening after conversion.