create array in shell

1.

#!/usr/bin/bash

declare -a mon

mon=( Jan Feb Mar Apr )

echo ${#mon[*]}

echo ${mon[2]}

2. variable and array

http://suso.suso.org/docs/adv_shell/shellvariables.phtml

array[0]="value1"

array[1]="value2"

echo ${array[0]}

echo ${array[1]}