42  cd /home/ece385f/lab_07/programs/

   44  insmod pwm_01.o
   45  tail -f /var/log/syslog

   47  cat /proc/ioports 

   49  cat /proc/interrupts 
   54  cat /proc/interrupts 

   58  vi pwm_01.c

   61  cat /proc/ksyms  | less
   62  cat /proc/ksyms  | less