Consider the following conditional structure: if Is*.c , then if Is *.h; then rm -rf * [hc] fi Which of the following is equivalent to previous conditional structure? Is *.c || Ish && rm -rf * [hc] Is*.c && Ish || rm -rf * [hc] Is *.c || Is *.h || rm -rf * [hc] Is *.c && Is * h && rm -rf *[hc]