1 # Parallel copy
   2 find . -maxdepth 1 -print0 | parallel -0 -j4 echo cp -avn {} $dst
   3 
   4 # Check MP3s in parallel, many arguments per invocation
   5 parallel -m mp3check -Sqe ::: *mp3
   6 
   7 # Run commands in a file parallel
   8 parallel < commands.txt