x=(one two)
echo ${x[@]:1}
echo ${x[@]:0:1}

x=(one)
echo ${x[0]:1}
echo ${x[0]:0}
echo ${x[@]:1}
echo ${x[@]:0}

echo ${x[@]: -1}
echo ${x[@]: ${#x[@]}-1}

x=(0 1 2 3 4 5 6 7 8 9)
echo ${x[@]:1}

echo ${x[@]: -1}
echo ${x[@]: ${#x[@]}-1}

set -- ${x[@]}

echo $1
echo ${@: -1}
echo ${@: $#-1}

a=0123456789

echo ${a:1}
echo ${a: -1}
echo ${a: ${#a}-1}