Hi, i wrote: > > # afio -ivZ -P bzip2 jeremy ardley wrote: > Corrected: > afio -ivZ -P bzip2 $i Indeed. (Being aware that Greg Wooledge is watching i would have added "$i".) > remarkably slow even on my PCIe NVME drive. DVD reading can be quite slow. bzip2 decompression is said to be slow. But in the case of afio -Z the bottleneck may be in the fact that each compressed data file gets decompressed by an own bzip2 process. Have a nice day :) Thomas