$ sudo apt-get update
$ sudo apt-get install libtrilead-putty-extension-jav

libtrilead-putty-extension-jav is installed in your system.

Make ensure the libtrilead-putty-extension-jav package were installed using the commands given below,

$ sudo dpkg-query -l | grep libtrilead-putty-extension-jav*

You will get with libtrilead-putty-extension-jav package name, version, architecture and description in a table

libtrilead-putty-extension-jav package basic information: