Operating Systems Online Test

1. Which security feature in Linux provides a mandatory access control (MAC) framework that confines individual programs to a limited set of resources and actions?

2. Which backup strategy involves making copies of data files that have changed since the last backup, but only if they were also present in the last full backup?

3. Which command is used to change the owner of a file in Linux?

4. Which symbol represents the execute permission in file permissions in Linux?

5. What are file permissions in Linux?

6. Which optimization technique in Windows allows users to improve disk performance by reorganizing fragmented files?

7. Which command is used to copy files or directories in Linux?

8. Which virtualization software allows users to run Windows operating systems on Linux hosts?

9. Which command is used to display the manual page for a command in Linux?

10. Which file contains system log messages in Linux?

11. Which cloud computing platform provides Windows and Linux virtual machines (VMs) with the option to deploy applications in containers using Google Kubernetes Engine (GKE) and Cloud Run?

12. What is the primary function of the Linux shell?

13. What is the file extension typically used for shell scripts in Linux?

14. Which command is used to rotate and manage log files in Linux?

15. What is a disadvantage of Windows operating systems?

16. Which symbol is used to access the value of a variable in a shell script in Linux?

17. Which virtualization software is available for both Windows and Linux operating systems, allowing users to run multiple virtual machines on a single physical machine?

18. Which file system is commonly used for shared network drives in mixed Windows and Linux environments?

19. Which option is used with the `grep` command to perform a case-insensitive search?

20. Which file system is commonly used for external storage devices to ensure compatibility across Windows, Linux, and macOS?

21. Which best practice is recommended for securing Windows operating systems against data loss and theft?

22. Which option is used with the `sort` command to perform a numeric sort?

23. Which troubleshooting tool in Linux allows users to view system logs, including kernel messages, system events, and application logs?

24. Which command is used to update packages in Red Hat-based Linux distributions using YUM?

25. Which command is used to display the contents of a file in reverse order in Linux?

26. Which bootloader is commonly used in dual-boot configurations to manage the boot process and allow users to select which operating system to boot into?

27. Which container runtime is commonly used in Linux-based container environments, providing features for running and managing lightweight containerized applications?

28. Which virtualization software is commonly used for development and testing purposes due to its ease of use and wide range of supported guest operating systems?

29. Which cloud computing platform offers Compute Engine instances with pre-configured Windows Server images that allow users to run Windows workloads in a secure and scalable environment?

30. Which command is used to add a user to a group in Linux?