Re: [PATCH v7 0/3] console: Add persistent scrollback buffers for all VGA consoles

Jakub Wilk
2016-11-27T23:30:01Z

* Adam Borowski <kilobyte@angband.pl>, 2016-11-28, 00:15:
>>clear(1) doesn't wipe the scrollback at all, it is still reachable, all of
>>it.
>
>It does for me on the console. The man page says:
>
># clear clears your screen if this is possible, including its scrollback
># buffer (if the extended "E3" capability is defined). clear looks in the
># environment for the terminal type and then in the terminfo database to
># determine how to clear the screen.
>
>Because of its reliance on terminfo, you need to have TERM=linux in your
>environment; also, screen/tmux obviously breaks this.

The "linux" terminfo entry didn't have E3 until very recently.
You will need ncurses >= 20160514.

--
Jakub Wilk