# 1. Look at the README for bggen (not the one for this exercise)

less $HALLD_HOME/src/programs/Simulation/bggen/README

# 2. create the fort.15 file as a link to run.ffr

ln -s run.ffr fort.15

# 3. take a look at run.ffr

less run.ffr

# 4. run bggen

bggen

# 5. look the generated events in the hddm file

hddm-xml bggen.hddm | less