testem4/src is the geant3 equivalent of TestEm4
 
 % cd geant3
 % gmakeB           to make an executable  (Batch version) 
 % gmakeT           to make an executable  (inTeractive version)
 
 To execute:
  
 % cd geant3
 % $G4SYSTEM/testem4.xb (for batch) or testem4.xt (for interactive)
 
 The program will ask:
 G3 > gives the filename of the data cards to be read:
 
 run01.dat      (runNN.dat is the equivalent of the G4 runNN.mac)
 
 
 testem4 produces 1 histo saved as testem4.paw if ISWIT(2)=1
     
     Content of this histo:
  
      1 : energy deposit in C6F6