comparision-ops.note

					STRINGS			INTEGERS
Less than 			[[ $a < $b ]]		[[ $a -lt $b ]]
Greater than 			[[ $a > $b ]]		[[ $a -gt $b ]]
Less than or equal to 		[[ $a <= $b ]]		[[ $a -le $b ]]
Greater than or equal to	[[ $a >= $b ]]		[[ $a -ge $b ]]
Equal				[[ $a == $b ]]		[[ $a -eq $b ]]
Not Equal			[[ $a != $b ]] 		[[ $a -ne $b ]]

returns 1 or 0 
1 is true
0 is false

########## Example 
[[ "Cat" == "dog" ]]
echo $?