You can also concatenate tar files, you just need to remove the last two zero blocks before gluing the files together (GNU tar has an option to do this for you, it's somewhere in the man, or use head -c-2b) or tell tar to ignore them when extracting.
Beware that tar has some bugs regarding certain kinds of concatenation. I forget the exact details, but double check that the sequence of files/arguments you input gives a valid tarball result. Probably a good idea to always do this when creating an archive, actually.
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You can also concatenate tar files, you just need to remove the last two zero blocks before gluing the files together (GNU tar has an option to do this for you, it's somewhere in the man, or use head -c-2b) or tell tar to ignore them when extracting.
Beware that tar has some bugs regarding certain kinds of concatenation. I forget the exact details, but double check that the sequence of files/arguments you input gives a valid tarball result. Probably a good idea to always do this when creating an archive, actually.