A so called `Old GNU' format is based on an early draft of the
POSIX 1003.1 `ustar' standard which is different from the final
standard. It defines its extensions (such as incremental backups
and handling of the long file names) in a way incompatible with
any existing tar archive format, therefore the use of old GNU
A so called `Old GNU' format is based on an early draft of the
POSIX 1003.1 `ustar' standard which is different from the final
standard. It defines its extensions (such as incremental backups
and handling of the long file names) in a way incompatible with
any existing tar archive format, therefore the use of old GNU