How to transfer files

You can not transfer files between your terminals and the supercomputer because of the security. There is the only one way to perform this.
from the terminal to the supercomputer

First type the command 

     cat > file.c
on the supercomputer, type the Enter key, then wait. Next,

choose a transfered file. Finally, type 

     Ctrl + D          :end of file
This action will close the file "file.c."

from the supercomputer to the terminal
Please use a mail command: 
     mail your_email_address <  file.c