using System;

using System.Linq;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

              ""settings"": {

                ""general"": {

                  ""database"": {

                    ""type"": ""PostgreSql""

                  }

                }

              }

            }";

        var obj = JObject.Parse(json);

        var paths = obj.DescendantsAndSelf()

                       .OfType<JProperty>()

                       .Where(jp => jp.Value is JValue)

                       .Select(jp => jp.Path.Replace('.', '/'))

                       .ToList();

        Console.WriteLine(string.Join("\n", paths));

    }

}