Operating Systems Online Test

1. Which command is used to execute commands on a remote server over SSH without logging in?

2. What is the octal representation of read and write permissions for a file in Linux?

3. Which command is used to display a snapshot of currently running processes in Linux?

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

5. Which command is used to extract specific columns or fields from text data in Linux?

6. Which file contains system log messages in Linux?

7. 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?

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

9. What is a file system in Linux?

10. 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?

11. Which command is used to securely transfer files interactively in an SSH session?

12. Which option is used with the `awk` command to specify the delimiter used to separate fields in input data?

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

14. Which virtualization software is open-source and freely available for personal and commercial use?

15. Which container orchestration platform is supported by Docker Desktop for Windows, allowing users to deploy and manage containerized applications across clusters?

16. Which cloud computing platform offers virtual machines (VMs) that support both Windows and Linux operating systems, providing a wide range of instance types and configurations?

17. Which virtualization software is known for its integration with macOS and provides features such as Sidecar for using an iPad as a second screen?

18. Which command is used to create a new empty file in Linux?

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

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

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

22. Which desktop environment is known for its consistent user experience across different platforms?

23. Which troubleshooting tool in Linux allows users to view a dynamic real-time summary of system processes and their resource usage?

24. Which command is used to create a new user account in Linux?

25. Which option is used with the `mv` command to rename a file or directory?

26. Which optimization technique in Linux allows users to improve system performance by removing unused software packages and dependencies?

27. Which partitioning scheme is commonly used when setting up a dual-boot configuration on a computer with both Windows and Linux?

28. Which container runtime technology is used in conjunction with Kubernetes to provide a consistent interface for deploying and managing containers across different environments?

29. Which troubleshooting tool in Windows allows users to diagnose and fix problems related to system performance, hardware detection, and compatibility?

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