How to find application on Ubuntu? Know where are applications installed on Ubuntu. Here is how to check installed software version in Linux.
How To Find Application On Ubuntu?

To find the .desktop files for the applications, go to the directory usr > share > applications. Here you’ll see icons of installed and system Ubuntu applications. You will also see the .desktop files named as application.desktop.
Find Where A Program Is Installed Linux Ubuntu
For where the program was installed (including all of the supporting files, so it can be a long list that you would need to search through)
Command Syntax
dpkg-query -L APPLICATION-NAME
dpkg is the package manager for Debian. dpkg is a tool to install, build, remove and manage Debian packages.
The primary and more user-friendly front-end for dpkg is aptitude. dpkg itself is controlled entirely via command line parameters.