$4\mathrm{.}1$ Perform the following tasks on your Linux machine.

Write a Linux command to display your system details.

$(2$ marks$)$

Write a Linux command to display system date in the format $"$YYYYMMDD$"$

$(2$ marks$)$

$4\mathrm{.}2$ Create a directory called Celebrities with a list of celebrities who will be featured in an upcoming documentary. Within this directory, you need to create a file called SA$-$Celebrities containing the names of $10$ South African celebrities, each on a new line.

$(5$ marks$)$

In the above folder create a file called SA$-$Celebrities with $10$ names of your favorite celebrities one per line.

$(3$ marks$)$

Produce an ad$-$hoc report that contains a numbered list of the first five celebrities, from SA Celebrities according to alphabetical order. Write a command to display this report.