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8.3.4 Ustar Archive Format

Archive format defined by POSIX.1-1988 specification is called ustar. Although it is more flexible than the V7 format, it still has many restrictions (See ustar, for the detailed description of ustar format). Along with V7 format, ustar format is a good choice for archives intended to be read with other implementations of tar.

To create archive in ustar format, use --format=ustar option in conjunction with the --create (-c).