Development Environment:

• OS: Ubuntu.
• Nasm(nasm): Assembler and disassembler for the Intel x86 architecture (Linux Env).
• QEMU(qemu-system_x86): Open-source emulator and virtualizer (To test the Kernel, Bootloader, ....).

Install:

$ sudo apt update
$ sudo apt install nasm
$ sudo apt install qemu-system-x86 && qemu-system-x86_64

References:

• Ralf Brown's Interrupt List: http://www.ctyme.com/intr/int.htm