less this_is_a_long_name; typing in
less thi<TAB>will suffice. (If you have other files that start with the same characters, supply enough characters to resolve any ambiguity.)
cata binary file, your screen may end up full of garbage. To fix things, blind type
resetor this sequence of characters:
echo CTRL-V ESC c RETURN.
xtermwindow, then click the middle button (or the two buttons together if you have a two-button mouse) to paste.
gpm, a mouse driver for the console. Click and drag to select text, then right click to paste the selected text. It works across different VCs.