What makes a USB drive bootable? When I was searching for the process of making my pendrive bootable. I came across many processes and software’s that could do it but none of the sources told me what is the science behind this. Why my pen drive is bootable after the process and was not before. So I decided to write an article of my own for this. This is also my first post. So please do comment what you dislike and also like about the post and also if you need any help. The process of making a pendrive bootable and to use it with window 7 and other window operating systems the process that was described by the sources was 1. Open command prompt(cmd) with administrator privileges 2. Type DISKPART 3. Type LIST DISK 4. Then assuming your USB disk is DISK1. Type SELECT DISK 1 5. Type CLEAN 6. Type CREATE PARTITION PRIMARY 7. Type SELECT PARTITION 1 8. Type ACTIVE 9. Type FORMAT FS = NTFS 10. Type ASSIGN 11. Type EXIT 12. Insert window installation disk 13. In the command...