I would recommend playing around with this code:
\begin{code}
-$ sudo insmod hello-5.ko mystring="bebop" myintArray=-1
+$ sudo insmod hello-5.ko mystring="bebop" myintarray=-1
myshort is a short integer: 1
myint is an integer: 420
mylong is a long integer: 9999
mystring is a string: bebop
-myintArray[0] = -1
-myintArray[1] = 420
-got 1 arguments for myintArray.
+myintarray[0] = -1
+myintarray[1] = 420
+got 1 arguments for myintarray.
$ sudo rmmod hello-5
Goodbye, world 5
-$ sudo insmod hello-5.ko mystring="supercalifragilisticexpialidocious" myintArray=-1,-1
+$ sudo insmod hello-5.ko mystring="supercalifragilisticexpialidocious" myintarray=-1,-1
myshort is a short integer: 1
myint is an integer: 420
mylong is a long integer: 9999
mystring is a string: supercalifragilisticexpialidocious
-myintArray[0] = -1
-myintArray[1] = -1
-got 2 arguments for myintArray.
+myintarray[0] = -1
+myintarray[1] = -1
+got 2 arguments for myintarray.
$ sudo rmmod hello-5
Goodbye, world 5