User Nadia is learning how to examine disk$-$drive performance and learns to use iostat. To monitor performance, she would like to see five outputs, which $10$ seconds of difference between them. Which of the following is the best way for her to accomplish this?A$.$ iostat $510$B$.$ iostat $105$C$.$ iostat $--$count $5--$ period $10$D$.$ iostat $10$