Almost every business computer manufactured in the last 15 years supports . When a computer turns on and has no operating system on its hard drive, it can send a broadcast request to the network asking for a boot image. That request is a TFTP request.
From then on, TFTP Server continued to serve the lab, not with fanfare or prominence, but with the quiet efficiency that had defined its existence from the start. It had found a way to remain relevant, a small but vital cog in the machinery of the digital world. TFTP Server
It can only do two things: "get" a file or "put" a file [5]. Almost every business computer manufactured in the last