====== Useful commands ======


===== Concatenate 2 video files =====
  mencoder -of lavf -oac copy -ovc copy -o outputfile inputfile1 inputfile2 

  MP4Box -cat inputfile1.m4v -cat inputfile2.m4v -cat inputfile3.m4v -new outputfile.m4v

  avimerge -o outputfile.avi -i inputfile1.avi inputfile2.avi

  mpgjoin inputfile1.mpg inputfile2.mpg inputfile3.mpg -o outputfile.mpg

===== Mount Raw Image File =====

First run 

  sfdisk -l -uS /mnt/sda1/rescuw.raw
  
to discover the offsets required for each partition. Multiply the offset by 512 and substitute it for BYTES below 

  mount -o loop,offset=BYTES -r /mnt/sda1/rescue.raw /mnt/rescue