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Quiz - Module 9: Processes & Linux

Test your knowledge on processes, threads, and Linux!

Question 1​

What is a process?

  • A) A file
  • B) A running program
  • C) A folder
  • D) A protocol
See the answer

Answer: B) A running program

A process is an instance of a program with its memory space.

Question 2​

What is a thread?

  • A) A process
  • B) A lightweight execution unit within a process
  • C) A file
  • D) A protocol
See the answer

Answer: B) A lightweight execution unit within a process

Threads share the memory of the parent process.

Question 3​

What is a PID?

  • A) A virus
  • B) Process ID - unique identifier of a process
  • C) A file
  • D) A protocol
See the answer

Answer: B) Process ID - unique identifier of a process

Each process has a unique PID.

Question 4​

Which Windows tool displays processes in detail?

  • A) Notepad
  • B) Process Explorer (Sysinternals)
  • C) Paint
  • D) Calculator
See the answer

Answer: B) Process Explorer (Sysinternals)

Process Explorer offers advanced details on processes.

Question 5​

What is the parent process?

  • A) The first process
  • B) The process that created another process (child)
  • C) The heaviest process
  • D) The system process
See the answer

Answer: B) The process that created another process

The parent creates child processes.

Question 6​

Which Linux command lists processes?

  • A) dir
  • B) ps or top
  • C) list
  • D) proc
See the answer

Answer: B) ps or top

ps aux lists processes, top displays them in real-time.

Question 7​

Which Linux command stops a process?

  • A) stop
  • B) kill
  • C) end
  • D) close
See the answer

Answer: B) kill

kill PID or kill -9 PID stops a process.

Question 8​

What is Linux?

  • A) A browser
  • B) An open-source operating system kernel
  • C) A virus
  • D) A protocol
See the answer

Answer: B) An open-source operating system kernel

Linux is the kernel used by Ubuntu, Debian, etc.

Question 9​

Which Linux command displays the current directory?

  • A) dir
  • B) pwd
  • C) cd
  • D) where
See the answer

Answer: B) pwd

pwd (print working directory) displays the current path.

Question 10​

Which Linux command lists files?

  • A) dir
  • B) ls
  • C) list
  • D) show
See the answer

Answer: B) ls

ls lists files and folders.

Question 11​

What does sudo mean?

  • A) A virus
  • B) Super User DO - execute as root
  • C) A file
  • D) A protocol
See the answer

Answer: B) Super User DO - execute as root

sudo allows executing commands with administrative rights.

Question 12​

Who is the root user in Linux?

  • A) A normal user
  • B) The system administrator with all rights
  • C) A guest user
  • D) A disabled user
See the answer

Answer: B) The system administrator with all rights

root has full access to the system.

Question 13​

Which command changes file permissions?

  • A) perm
  • B) chmod
  • C) chown
  • D) change
See the answer

Answer: B) chmod

chmod 755 file changes permissions.

Question 14​

What does chmod 755 mean?

  • A) Delete the file
  • B) rwxr-xr-x (owner: all rights, others: read/execute)
  • C) Hidden file
  • D) System file
See the answer

Answer: B) rwxr-xr-x

7=rwx (owner), 5=r-x (group), 5=r-x (others).

Question 15​

Which command changes the owner of a file?

  • A) chmod
  • B) chown
  • C) chgrp
  • D) owner
See the answer

Answer: B) chown

chown user:group file changes the owner.

Question 16​

Where are configuration files stored in Linux?

  • A) C:\Windows
  • B) /etc
  • C) /home
  • D) /bin
See the answer

Answer: B) /etc

The /etc directory contains system configuration files.

Question 17​

Which command installs packages on Debian/Ubuntu?

  • A) install
  • B) apt install or apt-get install
  • C) yum install
  • D) pkg install
See the answer

Answer: B) apt install or apt-get install

APT is the package manager for Debian/Ubuntu.

Question 18​

What is WSL?

  • A) A virus
  • B) Windows Subsystem for Linux
  • C) A browser
  • D) A protocol
See the answer

Answer: B) Windows Subsystem for Linux

WSL allows running Linux directly on Windows.

Question 19​

Which command displays the content of a file in Linux?

  • A) show
  • B) cat
  • C) read
  • D) print
See the answer

Answer: B) cat

cat file.txt displays the content of the file.

Question 20​

Which command searches for text in a file?

  • A) find
  • B) grep
  • C) search
  • D) look
See the answer

Answer: B) grep

grep "text" file searches for text.

Question 21​

Which command finds files?

  • A) grep
  • B) find
  • C) search
  • D) look
See the answer

Answer: B) find

find /path -name "file" searches for files.

Question 22​

What is a shell?

  • A) A file
  • B) The command interpreter (bash, zsh, etc.)
  • C) A virus
  • D) A protocol
See the answer

Answer: B) The command interpreter

The shell interprets user commands.

Question 23​

What is bash?

  • A) A virus
  • B) Bourne Again SHell - the default shell for many Linux systems
  • C) A file
  • D) A protocol
See the answer

Answer: B) Bourne Again SHell

Bash is the most common shell on Linux.

Question 24​

How to make a script executable in Linux?

  • A) exec script.sh
  • B) chmod +x script.sh
  • C) run script.sh
  • D) enable script.sh
See the answer

Answer: B) chmod +x script.sh

chmod +x adds execution permission.

Question 25​

What is the /etc/passwd file?

  • A) Plain text passwords
  • B) The list of system users
  • C) A virus
  • D) A temporary file
See the answer

Answer: B) The list of system users

/etc/passwd contains account info (not passwords).

Question 26​

Where are hashed passwords stored in Linux?

  • A) /etc/passwd
  • B) /etc/shadow
  • C) /etc/password
  • D) /etc/users
See the answer

Answer: B) /etc/shadow

/etc/shadow contains password hashes (accessible by root).

Question 27​

Which command displays network connections in Linux?

  • A) ipconfig
  • B) netstat or ss
  • C) ifconfig
  • D) network
See the answer

Answer: B) netstat or ss

netstat -tulpn or ss -tulpn display connections.

Question 28​

Which command displays IP configuration in Linux?

  • A) ipconfig
  • B) ip addr or ifconfig
  • C) netstat
  • D) route
See the answer

Answer: B) ip addr or ifconfig

ip addr (modern) or ifconfig (old) display IPs.

Question 29​

What is cron?

  • A) A virus
  • B) The task scheduler in Linux
  • C) A file
  • D) A protocol
See the answer

Answer: B) The task scheduler in Linux

Cron automatically executes tasks according to a schedule.

Question 30​

How to edit cron tasks?

  • A) edit cron
  • B) crontab -e
  • C) nano cron
  • D) vim /etc/cron
See the answer

Answer: B) crontab -e

crontab -e opens the scheduled tasks editor.

Score​

ScoreLevel
27-30Excellent!
22-26Very good!
17-21Good
12-16Fair
0-11Needs review

Quiz for Module 9 - Processes & Linux - 30 questions