A space. However, x means extract, if you want to create a backup on tape then use -c
tar cvf /dev/st0 file1 file2 file3
Not sure exactly what you mean by concatenate multiple files. Yes, basically tar will create an archive file from multiple input files but does not actually concatenate them together.
Last edited by michaelk; 05-12-2016 at 09:31 PM.
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