I found this great tutoral on youtube how to use ssh and login to any computer on your network lookup your files and copy files back and forth and more. No more coping files to usb drives and the like if you are interested the link is below.
https://www.youtube.com/watch?v=lLyjnuWVqMk and it is easy to understand..
https://www.youtube.com/watch?v=KzSYG0Tah7E more here..
https://www.youtube.com/user/BadEditPro/videos Joe Collins youtube channel.
How To Use SSH Remote Login to any computer on your network.
How To Use SSH Remote Login to any computer on your network.
Main : MX 19.1-AHS (i3) 5.4.13-1~mx19+1, Asus B450-i AMD 5 3600 , 32gb Hyper-X 3200 , GTX970 . 
Lenovo T430 : Debian10 antiX17 (i3) , 4.20.12 , i5 , 12gb .
Lenovo X220 : Test Machine (ATM)
Lenovo T430 : Debian10 antiX17 (i3) , 4.20.12 , i5 , 12gb .
Lenovo X220 : Test Machine (ATM)