
This server should not be started manually instead, it should be run using launchd(8) using the plist /System/Library/LaunchDaemons/ist. Looking at these results and Apple’s online version of the man info, we see it says: We would want the server version of this command, so that is the one with the d suffix (d is for “daemon”). Since the commands exist, you can use man to get more info. Tftpd(8) - DARPA Internet Trivial File Transfer Protocol server

The command replies: tftp(1) - trivial file transfer program Use the apropos command to see if there are any commands related to tftp. I found and set it up this way: Find appropriate commands

Mac OS X has a tftp server included, and you just have to start it and do a little configuration. Here’s how to use the one included with Mac OS X or macOS.

If you’re working with networking devices such as switches, routers or firewalls, to upgrade their firmware, you more often than not need a TFTP server.
