This was a side-effect of the way the user interacted with the sending machine, generally by navigating to the requested file, asking the sender to transfer it, then using a command in their local software to start receiving.
This was a side-effect of the way. The user interacted the way with the sending machine by. This was generally. The user was navigating to the requested file. This was then. The user was asking the sender to transfer it using a command in their local software to start receiving. This was then.