These are questions regarding Unix commands in C

Question 6 0 / 1 pts Suppose your working directory contains files star.c moon.c planet.c comet.c What is the effect of the command is *t*.c? It prints *t*.c It prints star.c planet.c comet.c It prints star.c o It prints: Syntax error The wildcard character matches any string, including the empty one. Question 7 071 pts What is the effect of the command mkdir a a/b It creates a directory named a in the working directory and a directory named b in directory ./a . It's an illegal command. It creates a directory named a in the working directory and an empty file named b in directory a. It creates a directory named a in the directory named a/b. Question 2 0 / 1 pts If your working directory in our VM is ~/Downloads, what does the pwd command print? Enter your password: O /home/programmer/Downloads Downloads O ~/Downloads The pwd command prints the full pathname of the current directory