How to get and copy a too long output completely in terminal?
Solution 1:
You could send the output to a file: command > file.txt (where command is the command you want to run and file.txt is the file you want to save it to) and then view it with gedit file.txt.
Solution 2:
Use xclip
cat long.output | xclip -sel clip
If not installed you can do
sudo apt-get install xclip
Solution 3:
I know in the xfce4-terminal there is a option to increase the number of lines shown:
For ubuntu Terminal
Aside from that there is what @Zelda64fan said.