While loop in shell script

While will execute the loop as long as condition true.

When condition meet false it will terminate from the loop.

script:
#!/bin/bash
var=1
while [ $var -le 10 ]
do
    echo "Loop $var"
    (( var++ ))
done

output: 
Loop 1
Loop 2
Loop 3
Loop 4
Loop 5
Loop 6
Loop 7
Loop 8
Loop 9
Loop 10