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Re-compress a gzip (.gz) file to a bzip2 (.bz2) file$ time gzip -cd file1.tar.gz 2>~/logfile.txt | pv -t -r -b -W -i 5 -B 8M | bzip2 > file1.tar.bz2 2>>~/logfile .txt |
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Test your hard drive speed$ time (dd if=/dev/zero of=zerofile bs=1M count=500;sync);rm zerofile |