How to copy and manage other computer by shell on linux?

If you want to use your computer to do program work under other computer , you can do :

ssl -l yourUserName otherComputer'sIP

If you want copy one file to other computer by internet, you can:

scp fileNameWhichYouWantToCopy userName@otherComputer'sIP:/home/YOURDirectory

I learn it from a beautiful PhD girl....^_^