How to tell which version of a application is running

[Ralf Mardorf]

On Mon, 17 Apr 2017 09:13:40 -0400, J wrote:
>Ummm,, why not just check with Apt to see where it installed the
>ubuntu package version??

Because this only tells what version of tracker is installed by a
package, not what version of tracker is running.

Take a look at the OP's original request from
Sun, 16 Apr 2017 07:23:13 -0500:
>I have two versions of tracker installed

Regards,
Ralf