For example, with ProComm Plus, the hot key is the Page Down key. If the file is a binary executable or a compiled program, then 2a.
File transfer takes place, watch the screen for errors.
The transferred file is written to the default directory on your PC, which is usually the directory where the terminal emulator is installed. Maximize the screen to full size and then minimize the application to an icon. Launch a word processor and open up an existing document or start a new document. Minimize the word processor to an icon. Open the terminal emulator and type the file that you wish to transfer on the screen.