rename  $._files $.files 
rename  $.files._M4 $.files.M4 
rename  $.files.M4._O $.files.M4.O 
rename  $.files.M4._Mac $.files.M4.Mac 
rename  $.files.M4._H $.files.M4.H 
rename  $.files.M4._C $.files.M4.C 
*quit
