On Jun 5, 2014 10:13 AM, "robin terrep-drangiug" <
robin.guignardperret@gmail.com> wrote:
>
> Hello,
>
> This command make the termcaps down
>
> export COLUMNS=10

I' m not sure this is what you are referring to, but:  On terminals where
terminfo advertises auto-margin capability, the line editor (ZLE) assumes
that printing a character in the rightmost column causes an implicit line
feed.  If you set COLUMNS to less than the actual terminal width, the line
won't wrap where ZLE thinks it did and the display may be strange as a
result.

For what reason do you need to set a narrower value of COLUMNS?