if [ "$1" == "" ]
then
    echo "nmon.sh [time]"
    exit
fi




for (( c=1; c<=5; c++ ))
do
echo "Welcome $c times..."
done


for i in {1..5}
do
  echo "Welcome $i times"
done


for i in {0..10..2}
  do
    echo "Welcome $i times"
 done
 
for i in 200 400 600 800 1000 1200 1400 1600 1800 2000
do
    echo ./matrixMul.arm $i $1
    ./matrixMul.arm $i $1
done



----------------------------------------

awk 구분자 여러개

Read 2Gb  Written 0b  Total transferred 2Gb  (239.89Mb/sec)

grep "Mb/sec" | awk -F '[(M]' '{print $2}'
239.89


-----------------------------------
ls | awk -F ' ' '{print $4}'



-----------------------------------

peakmem.sh
max=0

sync; echo 3 > /proc/sys/vm/drop_caches; sleep 1; free -o

while [ 1 ]
do

cur=`free | grep Mem: | awk '{print $3}'`
if [ $cur -gt $max ]
then
max=$cur
fi

echo $cur $max
sleep 1

done