Pax

File Format
Name	pax
Ontology	Electronic File Formats Archiving pax
Extension(s)	.pax

pax (Portable aRchive eXchange) is an uncompressed archive file format, and a multi-format archiving utility.

The file format is an extension of tar format. It is rarely used, and some versions of the pax utility do not support it.

Specifications

• Open Group Base Specifications Issue 7 / IEEE Std 1003.1, 2013 Edition: pax command & interchange format
• Format of pax archives

Software

• libarchive

Links

• Wikipedia article (mostly about the pax utility)
• pax man page, from a version of pax that supports pax format