If that doesn't work, another option is to use find, to find anything with the same name, or grep, to find files containing the name. Running gksu nautilus when you get there will give you a windowed file browser with root permissions, meaning you can use it to copy/delete/edit any file, since normally installations are protected and will prevent you from modifying files as a normal user. If the launcher points to a shell script, sometimes examining its contents can reveal additional locations, if needed. The directory containing the launcher's target should be the installation directory for the program. Another option is to use whereis to find the binary or source location.
#WHERE DO I INSTALL TRADESKILLMASTER DESKTOP APPLICATION FULL#
If it only has a command, you can use which or locate (like said) to get the full path for it. The file will contain an entry with something like Exec=command or Exec=/path/to/script.sh. Once you know which one it is, examine its contents (anything from cat to gedit will work, but if you use gedit make sure to do it as gksu gksu gedit, not sudo gedit). (For your specific one, it is called sktop.) If you don't know exactly what the file is called, use ls to examine the directory. The launcher file will usually be located in /usr/share/applications/, and named something like sktop.
You can examine the unity launcher icon, it may be able to tell you: For applications that you (for whatever reason) didn't install with the I would recommend going with answer, if that works for you. usr/share/man/man4/wireshark-filter.4.gz usr/share/lintian/overrides/wireshark-common usr/share/doc/wireshark-common/copyright usr/share/icons/hicolor/scalable/apps/wireshark.svg usr/share/icons/hicolor/48x48/apps/wireshark.png Assuming you installed it from the repos: $ dpkg -L wireshark wireshark-common