How to copy text chars in shell mode to a text file?

[Rick Chen]

On Fri, 2004-11-05 at 22:32 -0500, Nguyen Dinh Kien wrote:
> i login my computer in init level3 as user root, I had'n login to X11.
> I do sth and now i want to copy all text char in my monitor into a
> text file. How can i do?
> 

use mouse to select all the text you want
open vi edit, add mode :a
middle click mouse to add
save text :qw