Estrutura de condição de bash

n1=10
n2=5
if (( $n1>$n2 ))
    then
    echo "n1 is greater than n2"
elif (( $n1<$n2 ))
    then
    echo "n1 is lower than n2"
else
    echo "n1 is equal to n2"
fi
agentTequila