ex1.bash : res=2386
	time: 0:33.55 real, 33.12 user, 0.42 sys
	context-switch:	179+18, page-faults: 0+1948

ex1-c : res=2386
	time: 0:00.00 real, 0.00 user, 0.00 sys
	context-switch:	0+1, page-faults: 0+90

ex2.bash : res=2091
	time: 1:08.60 real, 68.56 user, 0.02 sys
	context-switch:	530+10, page-faults: 0+1480

ex2-c : res=2091
	time: 0:00.01 real, 0.01 user, 0.00 sys
	context-switch:	6+1, page-faults: 0+90