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$ ARRAY=(one two three four)

$ echo ${ARRAY[@]}
one two three four

$ echo ${ARRAY[*]}
one two three four

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$ ARRAY=(one two three four)

$ for item in ${ARRAY[@]}
> do
>     echo $item
> done
one
two
three
four

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$ ARRAY=("one1 one2 one3" two three four)

$ echo ${ARRAY[0]}
one1 one2 one3

$ for item in ${ARRAY[@]}
> do
>     echo $item
> done
one1
one2
one3
two
three
four

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$ ARRAY=("one1 one2 one3" two three four)

$ echo ${#ARRAY[@]}
4

$ echo ${#ARRAY[*]}
4

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$ ARRAY=("one1 one2 one3" two three four)

$ for (( i = 0; i < ${#ARRAY[@]}; i++ ))
> do
>     echo ${ARRAY[$i]}
> done
one1 one2 one3
two
three
four

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