Multiplexing audio and video together with the following command:
mplex -V -f 8 -o "/home/william/dvds/Munich/munich_dvd.mpg" "munich_dvd.m2v" "mu nich_dvd.ac3"
Multiplexing finished successfully
du: cannot access `munich_dvd*.mpg': No such file or directory
Output files:
expr: syntax error
expr: syntax error