One of the quickest ways to find out information about your installed solutions is to use PowerShell. To do this, login to one of your WFE’s and open SharePoint Management Shell. Then, type in the following command: Get-SPSolution | Export-Csv C:\DeployedSolutions.csv. Open this file on your local machine (or whichever has Excel installed) and dissect as needed.
This will return a fairly good amount of detail regarding your current solutions including but not limited to:
I have been using this method for some time now and decided to make a slight change to it. I have been using the PowerShell method found here to find the internal column names for my lists and libraries. It works great. The only problem with this is that I have to modify the script each time I need to change the value of the list or site. This is usually not a big deal since I generally am only looking at one list. This was not the case the other day. I needed to look at many different lists in the same site. Instead of having to modify the script each time, I added a set of parameters to prompt me at the command line. The code looks like this: