how to copy and paste on ubuntu linux terminal
Copying works as usual in any other software. For pasting, just do right-click to paste into the terminal. Check out this video. It might be useful https://www.youtube.com/watch?time_continue=32&v=6LT7yf168cg.
The above suggestions sometimes might not work based on your settings. Please try to search on Google to get results specific to your system.