Splitting and joining large files

cd /music/Pearl Jam/Ten
mkdir tmpoceans
# split the file
split -b 400k 07\ -\ Oceans.ogg tmpoceans/07\ Oceans.ogg.
# check the created parts
ls -1 tmpoceans
07 Oceans.ogg.aa
07 Oceans.ogg.ab
07 Oceans.ogg.ac
07 Oceans.ogg.ad
# split it back
cat 07\ Oceans.ogg.* > 07\ Oceans.ogg
# and play
ogg123 07\ Oceans.ogg

http://www.techiecorner.com/107/how-to-split-large-file-into-several-smaller-files-linux/

http://www.johnrockefeller.net/?p=195