Till now i now that ssh is like encryption in the network .But i want to be clear what it is and why we use it . And why to access it for remote guest OS . please give one example also.
In GRUB stage 1 is relocating to the stage 1.5 then what is the need of stage 1 just directly go to the stage 1.5.And if it is needed then what it really do.
I have a dual boot of Windows and Ubuntu. When I switch on the machine, the BIOS does POST and after that the bootloader starts.
I want to understand how the BIOS chooses which bootloader to run. I want to know the process going on between the BIOS and the bootloader in a dual boot computer.