Question: You are writing a shell script that accepts parameters on the command line. How can you check to make sure you've received exactly three parameters?

You are writing a shell script that accepts parameters on the command line. How can you check to make sure you've received exactly three parameters? if

| [3 -

eq $#

]]

O if

[

I $#

-

3]]

O if Il$

? = 3 | 1

if I

|

$ARGV

= 3]]

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