Question: What is the result of the command exec ( Is - la ) ; when run on a UNIX system? A Runs an

What is the result of the command exec("Is -la"); when run on a UNIX system?
A Runs an external command in the user's browser
B Returns a directory listing from the host server
C Returns a list of recently deleted directories
D Runs a stored procedure on the web server
What is the result of the command exec ( " Is -

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