Operating Systems Online Test

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

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

3. Which file contains system log messages in Linux?

4. Which security feature in Linux provides confinement profiles to restrict the capabilities of individual applications and protect against security vulnerabilities?

5. Which cloud computing platform provides EC2 instances with Windows Server AMIs (Amazon Machine Images) that enable users to deploy Windows-based applications and workloads?

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

7. Which backup strategy involves creating a copy of the entire operating system and system configuration on a regular basis to facilitate full system recovery?

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

9. Which command is used to delete directories in Linux?

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

11. Which command is used to search for patterns in text files in Linux?

12. Which virtualization software is commonly used for desktop virtualization and provides features such as Unity mode for seamless integration between host and guest operating systems?

13. Which symbol represents the read permission in file permissions in Linux?

14. Which option is used with the `awk` command to specify the action or operation to be performed on matching lines?

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

16. Which command is used to display system resource usage in real-time in Linux?

17. Which security feature in Windows provides a built-in firewall for monitoring and controlling incoming and outgoing network traffic to prevent unauthorized access and attacks?

18. Which command-line shell is commonly used in Linux operating systems?

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

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

21. Which command-line tool in Linux allows users to update the GRUB bootloader configuration to reflect changes in the boot menu or system configuration?

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

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

24. Which file system supports transparent compression of files and directories?

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

26. Which port does SSH typically use for communication?

27. Which backup strategy involves creating a single backup file that contains all changes made since the last full backup, regardless of how many differential backups have been performed?

28. Which directory contains executable files in Linux?

29. Which cloud computing platform offers Azure Virtual Machines (VMs) that support a wide range of Linux distributions, providing built-in support for DevOps tools and technologies?

30. 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?