• {시작..끝}

for var in {1..100}
do
  echo $var
done

• {시작..끝..증감폭}

for var in {1..100..5}
do
  echo $var
done

• 반대로도 가능하다.

for var in {100..1..-5}
do
  echo $var
done

array=(1 3 5 7 9)
for var in "${array[@]}"
do
  echo $var
done

list="A B C D E F G"
 
for var in $list
do
  echo $var
done

for ((var=0 ; var < 5 ; var++));
do
  echo $var
done