//test pre code block
#linux screen off:
DISPLAY=:0 xset dpms force off
#linux screen on:
DISPLAY=:0 xset dpms force on
(ncurses-devel)
wget http://ftp.gnu.org/gnu/ncurses/ncurses-6.2.tar.gz
tar zxvf ncurses-6.2.tar.gz
cd ncurses-6.2
./configure --prefix=/usr/local/ncurses
make && make install