1. A dual boot system is a computer system in which two operating systems are installed on the same hard drive, allowing either operating system to be loaded and given control.

2. Swap space is the area on a hard disk. 

3. A mount point is a directory in a file system where additional information is logically connected from a storage location outside the operating system's root drive and partition

4. Every File has a logical location where they are located for storage and retrieval.

5. ext4 is a file system used in linux OS.

6. Two type of disk 1.basic and 2.dynamic.

7. Basic disks are the storage types most often used with Windows

8. In dynamic disk HDD divided into dynamic volume.

9. My Laptop uses the basic disk.

10. It's not possible to install OS in a logical partition.

11. Two types of partition exist is MBR and GPT.

12. MBR partition contains a boot loader for the installed operating system and information  about the drive’s logical partitions. MBR only supports Four partitions on a disk.

13. GPT is a partitioning system where disk size can be more than 2TB and partition size can be unlimited.

14. GPT

15. One.

16. UEFI is BIOS firmware used latest model computer.

17. legacy boot is the boot process used by basic input/output system firmware.

18. UEFI

19. The difference between UEFI and legacy boot is that the UEFI is the latest method of booting a computer that is designed to replace BIOS while the legacy boot is the process of booting the computer using BIOS firmware.

20. Ubuntu LTS versions receive security and maintenance updates for the lifecycle of their release

21. BIOS stands for Basic Input Output System? 

22. MBR stands for Master Boot Record ? 

23. GPT stands for GUID Partition? 

24. UEFI stands for Unified Extensible Firmware Interface? 

25. LTS stands for Long Term Support?