$1.$ You are a system administrator and there is a report from users that the system is running slow. What steps would you take as the system administrator to start debugging the problem and give your Unix system a look over?

$2.$ You are logged into the Unix system as your non$-$privileged user $($i$.$e$.$ userxxx$).$ What command can you use to become the system administrator privileged user?

$3.$ The Unix System Administrator has many responsibilities. What would you consider to be the $3$ most important responsibilities?