/usr/bin/tput: invalid option -- '-' Usage: tput [options] [command] Options: -S << read commands from standard input -T TERM use this instead of $TERM -V print curses-version -v verbose, show warnings -x do not try to clear scrollback Commands: clear clear the screen init initialize the terminal reset reinitialize the terminal capname unlike clear/init/reset, print value for capability "capname"