Why are so many underscore lines in my file when to open it with Vim?

Question

Everytime I opened a file with Vim,so many underscore lines in it such as below:

How can remove all the underscore lines ?

:colorsheme is desert.

The highlight output:

The terminal is LXTerminal.

echo $TERM
xterm-mono

Probably its your colorscheme: check the output of highlight. If you werent expecting underscores, but say italic instead, make sure TERM is configured correctly. — D. Ben Knoble, Commented Sep 19, 2021 at 11:36
xterm-mono is most likely wrong. You may want to configure your terminal to perhaps use xterm-256color, but this may have some unwanted consequences, if LXTerminal is not fully xterm compatible. — Christian Brabandt, Commented Sep 19, 2021 at 12:49
Remark: you should not post the text just in image format. Depends on your terminal, there are different ways to copy from it. — user202729, Commented Oct 15, 2021 at 1:37

showkey · Accepted Answer · 2021-09-19 13:10:50Z

0

Set $TERM as xterm-256color in .bashrc,the underscore lines disappear.

answered Sep 19, 2021 at 13:10

showkey

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4

More correctly, configure your terminal emulator to set TERM correctly.
– D. Ben Knoble ♦
Commented Sep 21, 2021 at 21:28
Maybe accept your own answer after more than two years? Would prevent Community Bot from bumping the thing. Thank you.
– Friedrich
Commented Mar 25 at 12:20

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