Preparing a Functional System in Linux

Preparing a Functional System in Linux

1.    What command is used to update the package list on a Debian-based system?

A) yum update

B) apt-get update

C) pacman -Syu

D) dnf upgrade

Correct Answer: B) apt-get update

2.    Which command is used to install a package on a Red Hat-based system?

A) apt install

B) pacman -S

C) dnf install

D) zypper install

Correct Answer: C) dnf install

3.    What is the purpose of the /etc/fstab file in a Linux system?

A) To manage user accounts

B) To configure network settings

C) To define how disk partitions and devices are mounted

D) To store system logs

Correct Answer: C) To define how disk partitions and devices are mounted

4.    Which command is used to check the current disk usage of a filesystem?

A) df -h

B) du -sh

C) ls -l

D) free -m

Correct Answer: A) df -h

5.    What is the default shell for most Linux distributions?

A) zsh

B) fish

C) bash

D) sh

Correct Answer: C) bash

6.    Which command is used to change the ownership of a file in Linux?

A) chmod

B) chown

C) chgrp

D) mv

Correct Answer: B) chown

7.    What is the purpose of the sudo command in Linux?

A) To switch users

B) To execute commands with superuser privileges

C) To create a new user

D) To install software

Correct Answer: B) To execute commands with superuser privileges

8.    Which file contains user account information in a Linux system?

A) /etc/passwd

B) /etc/shadow

C) /etc/group

D) /etc/sudoers

Correct Answer: A) /etc/passwd

9.    What command would you use to view the contents of a text file in the terminal?

A) cat

B) view

C) open

D) edit

Correct Answer: A) cat

10.  Which of the following commands is used to start a service in a systemd-based Linux distribution?

A) service start [service_name]

B) systemctl start [service_name]

C) init start [service_name]

D) run start [service_name]

Correct Answer: B) systemctl start [service_name]

11.  What is the purpose of the chmod command in Linux?

A) To change file ownership

B) To change file permissions

C) To move files

D) To copy files

Correct Answer: B) To change file permissions

12.  Which command is used to display the current running processes in Linux?

A) ls

B) ps

C) top

D) htop

Correct Answer: B) ps (though top and htop are also valid for real-time monitoring)

13.  What is the purpose of the ping command in Linux?

A) To check disk space

B) To test network connectivity

C) To display system information

D) To manage user accounts

Correct Answer: B) To test network connectivity

14.  Which command is used to search for a specific string in files?

A) find

B) grep

C) locate

D) search

Correct Answer: B) grep

15.  What is the default location for user home directories in a Linux system?

A) /usr/home

B) /home

C) /var/home

D) /etc/home

Correct Answer: B) /home