This document provides instructions for using scp to transfer a file called "UBNETDEF.txt" from the home directory of a user called "student" on a machine with IP address 10.0.2.11 to the home directory of a user called "student" on a machine with IP address 10.0.2.12. It instructs the user to first SSH into the machine with IP 10.0.2.12 from 10.0.2.11 and then use the scp command to copy the file, providing the exact scp command syntax to use.