This is a debug command. It's expected to read another character from the keyboard deciding how to change the draw mode.
Eventually we may want a menu interface but this is fine for now.
To install TAEB, copy and paste the appropriate command in to your terminal.
cpanm
cpanm TAEB
CPAN shell
perl -MCPAN -e shell install TAEB
For more information on module installation, please visit the detailed CPAN module installation guide.