niggaz

Question 1

What is the purpose of the built-in jobs command?

Accepted Answer

To display a list of the child process of the current shell that have not completed.

Answer

To list every process for the current user since the system was last booted.

Answer

To list every running process on a system.

Answer

To display a list of every child process ever launched from the current shell.

Question 2

When logging on to a system interactively, in what order are the common startup files called?

Accepted Answer

/etc/profile, ~/.bash_profile, ~/.bashrc, /etc/bashrc

Answer

/etc/profile, ~/.bashrc, ~/.bash_profile, /etc/bashrc

Answer

~/.bash_profile, ~/.bashrc, /etc/bashrc, /etc/profile

Answer

/etc/bashrc, /etc/profile, ~/.bashrc, ~/.bash_profile

Question 3

Within a shell script, what symbol pair can be used to obtain all of the parameters passed to the shell script except the first?

Accepted Answer

$@

Answer

$0

Answer

$z

Answer

$&

Question 4

Most of the users on a system decide they each want a different set of functions to help them in their daily tasks.

Where should the system administrator who is assisting the users with the creation of the functions store them?

Accepted Answer

The functions for each user should be placed in the requesting user's ~/.bash_profile file

Answer

All of the function should be placed in the /etc/profile fine

Question 5

Which of the following command will make athe sshd service unit persistent under systemd?

Accepted Answer

systemctl enable sshd.service

Answer

systemctl is-enable sshd.service

Answer

systemctl start sshd.service

Answer

systemctl status sshd.service

Question 6

What systemd target unit is the SysVinit runlevel 5 approximately equivalent to?

Accepted Answer

graphical.target

Answer

rescue.target

Answer

multi-user.target

Answer

reboot.target

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