Operating Systems Online Test

1. What is the Linux kernel?

2. Which command is used to display the unique lines in a sorted file in Linux?

3. Which command is used to accept user input in a shell script in Linux?

4. Which virtualization software is tightly integrated with the Windows operating system and is commonly used in enterprise environments?

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

6. What is a shell script in Linux?

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

8. Which command is used to display the contents of a directory recursively in Linux?

9. 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?

10. Which command is used to change the primary group of a user account in Linux?

11. 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?

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

13. Which package manager is commonly used in Windows operating systems?

14. Which optimization technique in Windows allows users to improve system performance by disabling unnecessary startup programs?

15. Which option in the GRUB bootloader menu allows users to manually edit boot parameters or select different kernels at startup?

16. Which command is used to create a new directory in Linux?

17. Which containerization platform is available for both Windows and Linux, allowing users to run and manage containers using Docker Engine?

18. Which command is used to display disk usage by directories in Linux?

19. What is a disadvantage of MacOS?

20. Which image editing software is available for both Windows and Linux operating systems, providing tools for photo retouching, image composition, and graphic design?

21. 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?

22. Which recovery option in Windows allows users to roll back the system to a previous state without affecting personal files, documents, and photos?

23. Which file system supports journaling for improved data integrity and recovery?

24. Which command-line shell is commonly used in Windows operating systems?

25. Which command is used to search for text patterns and perform actions on matching lines in Linux?

26. Which Linux file system is commonly used in enterprise environments due to its scalability, performance, and support for large storage volumes?

27. Which command is commonly used to switch between different shells in Linux?

28. Which operating system is known for its extensive gaming support and compatibility?

29. Which container platform is provided by Microsoft for running Windows-based containers on Windows operating systems?

30. Which file system is commonly used for multimedia storage and media players due to its broad compatibility across different platforms?