Parallel File Copy (cp)

1. Create destination directory:

   mkdir -p <$DEST_DIR>
   

2. Go to source directory:

   cd <$SRC_DIR>
   

3. Copy files:

   find . ! -type d -print0 | \
     xargs -0 -P<$NUM_PROCS> -n1 -I % \
     cp -avn --parents % <$DEST_DIR>/