$ sudo apt-get update
$ sudo apt-get install libtifiles2-9 

libtifiles2-9 is installed in your system.

Make ensure the libtifiles2-9 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libtifiles2-9 *

You will get with libtifiles2-9 package name, version, architecture and description in a table

libtifiles2-9 package basic information: