set term png colorset size .75,.75set key bottomset pointsize .5set xlabel "Time (seconds)"set xrange [0:30]set output 'fast-test7-queue.png'set ylabel "Queue size (packets)"set yrange [0:*]plot    'fast-test7-record.dat' using 2:3 t 'Forward Queue' w lp 1, \	'fast-test7-record.dat' using 2:4 t 'Backward Queue' w lp 2#set output 'fast-test7-rate.png'#set ylabel "rate (Pkt/s)"#set yrange [0:*]#plot    'fast-test7-src0.dat' using 2:5 t 'Source 1' w lp 1#set output 'fast-test7-src0-state.png'#set ylabel "RTT (seconds)"#set yrange [0:*]#plot    'fast-test7-src0.dat' using 2:8 t 'Source 1 baseRTT' w lp 1, \#	'fast-test7-src0.dat' using 2:7 t 'Source 1 RTT' w lp 3set output 'fast-test7-window.png'set ylabel "Congestion window (packets)"set yrange [0:*]plot	'fast-test7-src0.dat' using 2:6 t 'Window Src 0' w lp 1