Suppose in Bourne shell, under current directory there is a sub$-$directory lab$8$a$,$ which contains files and sub$-$directories in it$.$

Which of the following are correct command$($s$)$ that removes this directory in one shot?

Question $7$Select one or more:

rm $-$r lab$8$a

rm $-$r $./$lab$8$a

mv lab$8$a

rmdir $-$r lab$8$a

rmdir lab$8$a

rm $./$lab$8$a