A NAS is effectively the same thing as a network share on a server

Which of the following is false?

a) Each variable being input in a scanf statement is generally pre-ceded by an &. b) Each variable being output in a printf statement is generally not preceded by an &. c) In a printf statement, the comma that separates the format con-trol string from the expressions to be printed is placed inside the format control string. d) Calculations can be performed inside printf statements.

List files in your current directory that are 5 days old.

What will be an ideal response?