Yeah, I should have read that f’n manual of GNOME’s standard terminal and I would not have to get creative to select a block of text from some program’s output1. Now, I feel embarrassed for not having pressed Ctrl while dragging the mouse all these years.

  1. My go-to solution usually was to pipe the output into a text file and use Vi’s Ctrl+V command. 



Thanks a lot! You made my day, I am also used to do it in vim, but not in gnome-terminal. Thanks again.