[tar] как слить --multi-volume архив в один архив

cat 1.tar 2.tar 3.tar > 123.tar

почитайте info tar (именно info, а не man), там очень много букв про это.

вау, не знал, но вопрос по прежнему актуален

`--multi-volume' `-M' Informs `tar' that it should create or otherwise operate on a multi-volume `tar' archive. *Note Using Multiple Tapes::.

этого недостаточно?

нет

вопрос снят, оказывается после n, в случае пробелов не надо ставить символ '\'

а этого:

9.6.3 Concatenate Volumes into a Single Archive -----------------------------------------------

Sometimes it is necessary to convert existing GNU `tar' multi-volume archive to a single `tar' archive. Simply concatenating all volumes into one will not work, since each volume carries an additional information at the beginning. GNU `tar' is shipped with the shell script `tarcat' designed for this purpose.

The script takes a list of files comprising a multi-volume archive and creates the resulting archive at the standard output. For example:

tarcat vol.1 vol.2 vol.3 | tar tf -

The script implements a simple heuristics to determine the format of the first volume file and to decide how to process the rest of the files. However, it makes no attempt to verify whether the files are given in order or even if they are valid `tar' archives. It uses `dd' and does not filter its standard error, so you will usually see lots of spurious messages.