bash for

for i in 1 2 3 4 5
do
echo $i
done
// 1 2 3 4 5

for i in {1..5}
do
echo $i
done
// 1 2 3 4 5

for i in {0..10..2}
do
echo $i
done
// 0 2 4 8 10

for i (( c=1; c<=5; c++))
do
echo $i
done
// 1 2 3 4 5