Operating Systems Online Test

1. Which command is used to move files or directories in Linux?

2. Which feature of the ext4 file system helps protect data integrity by logging changes to the file system before they are applied?

3. Which best practice is recommended for securing Linux operating systems against network attacks and intrusions?

4. Which option is used with the `grep` command to invert the matching, i.e., display lines that do not match the specified pattern?

5. Which desktop environment is commonly used in Linux distributions such as Ubuntu?

6. Which command is used to view the contents of a file in Linux?

7. Which backup strategy involves making copies of data files on a regular basis to an external storage device or cloud storage service?

8. 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?

9. Which security feature in Windows provides a notification prompt for users when performing tasks that require elevated privileges to prevent unauthorized changes to system settings and files?

10. Which best practice is recommended for securing Windows operating systems against malware and viruses?

11. Which cloud computing platform provides Azure Virtual Machines (VMs) with the option to deploy Windows Server containers using Docker or Azure Kubernetes Service (AKS)?

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

13. Which desktop environment is known for its modern design and workflow in Windows operating systems?

14. Which virtualization software provides support for advanced features such as snapshots, virtual networking, and remote access?

15. Which version control system is available for both Windows and Linux operating systems, allowing users to manage and track changes to source code and other files?

16. Which virtualization software is commonly used for server virtualization and provides features such as dynamic resource allocation and fault tolerance?

17. Which backup strategy involves making copies of data files that have changed since the last full backup, providing a balance between backup time and restore time?

18. 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?

19. Which file system supports file-level security and permissions?

20. Which individual initially created the Linux kernel?

21. Which command is used to display the first few lines of a log file in Linux?

22. 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?

23. Which command is used to display the last few lines of a file in Linux?

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

25. Which best practice is recommended for securing Linux operating systems against phishing attacks and social engineering?

26. Which command is used to define variables in a shell script in Linux?

27. Which optimization technique in Linux allows users to automate recurring tasks and maintenance activities?

28. Which command is used to list files and directories in Linux?

29. Which command is used to perform arithmetic operations in a shell script in Linux?

30. What is the root directory in Linux?