16. What does FSF stand for?

A. Free Software File
B. File Server First
C. First Serve First
D. Free Software Foundation
E. None of the above

17. Which of the following is a valid format for mounting a CD-ROM drive?

A. mount -t iso9660 /dev/cdrom / mnt/cdrom
B. mount /dev/cdrom
C. mount /mnt/cdrom
D. All of the above
E. None of the above

18. What command do you use to create Linux file systems?

A. fdisk
B. mkfs
C. fsck
D. mount
E. None of the above

19. Which of the following command can you execute to count the number of lines in a file?

A. lc
B. wc – l
C. cl
D. count
E. None of the above

20. Which of the following is not a communication command?

A. grep
B. mail
C. mesg
D. write
E. None of the above