Home» Online Test » Computer » Operating Systems Online Test 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This 'Operating Systems Online Test' covers questions across all the topics related to Operating Systems like Windows OS, MAC OS, Linux OS, DOS, etc Get fresh, new questions in each attempt. Total Questions: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 30 1. Which command is used to rename files or directories in Linux? a) rename b) mv c) renamefile d) ren 2 / 30 2. Which best practice is recommended for securing Windows operating systems against network attacks and intrusions? a) Disable Windows Defender to improve system performance b) Use default network settings without customization c) Enable Windows Firewall and regularly monitor network traffic d) Share administrator credentials with third-party vendors 3 / 30 3. Which security feature in Linux provides a mechanism for isolating and restricting the actions of processes and users to prevent unauthorized access and malicious activities? a) SELinux (Security-Enhanced Linux) b) AppArmor c) UFW (Uncomplicated Firewall) d) Fail2ban 4 / 30 4. Which command is used to create a new empty file in Linux? a) newfile b) touch c) create d) mkfile 5 / 30 5. Which optimization technique in Windows allows users to improve disk performance by removing temporary files and unnecessary system files? a) Disk Cleanup b) Disk Defragmentation c) Registry Cleaning d) Task Manager Startup Management 6 / 30 6. What is the purpose of environment variables in the Linux shell? a) To store user passwords securely b) To manage hardware resources c) To store configuration settings and system information d) To install software packages 7 / 30 7. Which command is used to add a user to a group in Linux? a) addgroup b) groupadd c) usermod d) adduser 8 / 30 8. Which troubleshooting tool in Linux allows users to view a dynamic real-time summary of system processes and their resource usage? a) dmesg b) top c) ps d) tail 9 / 30 9. Which security feature in Windows provides protection against brute-force attacks by automatically banning IP addresses that repeatedly fail authentication attempts? a) Windows Defender b) BitLocker c) Windows Firewall d) Fail2ban 10 / 30 10. Which container orchestration platform is supported by Docker Desktop for Windows, allowing users to deploy and manage containerized applications across clusters? a) Docker Desktop b) Kubernetes c) Docker Swarm d) OpenShift 11 / 30 11. Which command-line tool in Linux allows users to update the GRUB bootloader configuration to reflect changes in the boot menu or system configuration? a) grub-install b) update-grub c) grub-mkconfig d) grub-update 12 / 30 12. Which file system may require third-party drivers or software to be fully compatible with Linux operating systems? a) Ext4 b) FAT32 c) Btrfs d) NTFS 13 / 30 13. Which virtualization software is developed by Microsoft and allows users to run Linux operating systems on Windows hosts? a) VMware Workstation b) VirtualBox c) Hyper-V d) Parallels Desktop 14 / 30 14. What is a disadvantage of Linux operating systems? a) Limited hardware support b) Closed-source nature c) High level of security d) Complex installation and configuration 15 / 30 15. Which virtualization software is commonly used for server virtualization and provides features such as dynamic resource allocation and fault tolerance? a) Hyper-V b) VirtualBox c) VMware vSphere d) Parallels Desktop 16 / 30 16. Which file system is commonly used in Windows operating systems? a) NTFS b) Ext4 c) FAT32 d) Btrfs 17 / 30 17. Which file system is commonly used in Windows operating systems? a) NTFS b) Ext4 c) FAT32 d) Btrfs 18 / 30 18. Which port does SSH typically use for communication? a) 21 b) 22 c) 23 d) 80 19 / 30 19. What is a key advantage of Linux operating systems? a) Limited hardware support b) Closed-source nature c) High level of security d) Limited software availability 20 / 30 20. Which command is commonly used to switch between different shells in Linux? a) shell b) switch c) chsh (Change Shell) d) sh (Shell) 21 / 30 21. Which Linux distribution is commonly used in academic and research institutions, as well as by developers and system administrators? a) Ubuntu b) Fedora c) Debian d) CentOS 22 / 30 22. Which directory contains temporary files in Linux? a) /tmp b) /temp c) /var/tmp d) /var/temp 23 / 30 23. Which Linux file system is commonly used in removable storage devices such as USB flash drives and SD cards due to its compatibility with various operating systems? a) ext4 (Fourth Extended File System) b) NTFS (New Technology File System) c) FAT32 (File Allocation Table) d) Btrfs (B-Tree File System) 24 / 30 24. Which option should be selected during the Linux installation process to install the bootloader (e.g., GRUB) to the Master Boot Record (MBR) or EFI system partition? a) Install alongside Windows b) Erase disk and install Linux c) Something else (Manual partitioning) d) Install third-party software 25 / 30 25. Which command-line shell is commonly used in Windows operating systems? a) PowerShell b) Bash c) Zsh d) Command Prompt 26 / 30 26. Which container runtime technology is used in conjunction with Kubernetes to provide a consistent interface for deploying and managing containers across different environments? a) Docker b) Kubernetes CRI (Container Runtime Interface) c) Podman d) LXC (Linux Containers) 27 / 30 27. Which command is used to remove packages in Debian-based Linux distributions using APT? a) apt-get remove b) yum remove c) dpkg remove d) apt remove 28 / 30 28. Which option is used with the `awk` command to specify the delimiter used to separate fields in input data? a) -d b) -f c) -s d) -v 29 / 30 29. Which option is used with the `rm` command to force removal of files or directories without prompting for confirmation? a) -f b) -r c) -d d) -force 30 / 30 30. What is a disadvantage of Android operating systems? a) Limited software availability b) Closed-source nature c) High level of security d) Fragmentation across devices and versions Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Operating Systems MCQ PDF for Offline Study