Which of the following is not a text editor for Linux?

Which of the following is not a Groupware solution for Linux?

Which of the following switches forces rm to ask for confirmation?

Which of the following commands creates a new user along with its home directory and populates it with files from /etc/skel?

Which of the following commands will not log you out of a bash terminal?

What is the command used to upgrade all installed packages on a machine running Ubuntu?

Which command line utility allows you to control and monitor the health of hard disks?

What is a daemon?

Which of the following commands does not display active processes?

Which of the following commands disables a site or virtual host in Apache under Debian/Ubuntu?

As of Linux 2.6, what is the default sound system?