Log onto one of the bitarchive machines, e.g. sb-test-bar-001.statsbiblioteket.dk Go the the filedir of the bitarchive application. Check the size of a file: > ls -ll 2-metadata-1.arc Note the size (5th value). Add some data to the file: > echo "extrabytes" >> 2-metadata-1.arc Check the size of the file: > ls -ll 2-metadata-1.arc Verify that the size has changed (though not very much).