If you have ever installed a Linux distribution over a network, configured a rack of servers simultaneously, or set up a thin client, you have likely encountered the term tftpboot .
The client computer receives the file, loads it into memory, and executes it. This file is usually a bootloader (like GRUB or SYSLINUX). Once the bootloader is running, it may download a configuration file (again via TFTP), which tells it which Linux kernel to download. Finally, the full operating system loads. what is tftpboot