private MemoryMetrics GetUnixMetrics()
        {
            var output = "";

            var info = new ProcessStartInfo("free -m")
            {
                FileName  = "/bin/bash",
                Arguments = "-c \"free -m\"",
                RedirectStandardOutput = true
            };

            using (var process = Process.Start(info))
            {
                output = process.StandardOutput.ReadToEnd();
                Console.WriteLine(output);
            }

            var lines  = output.Split("\n");
            var memory = lines[1].Split(" ", StringSplitOptions.RemoveEmptyEntries);

            var metrics = new MemoryMetrics
            {
                Total = double.Parse(memory[1]),
                Used  = double.Parse(memory[2]),
                Free  = double.Parse(memory[3])
            };

            return(metrics);
        }
        private MemoryMetrics GetWindowsMetrics()
        {
            var output = "";

            var info = new ProcessStartInfo
            {
                FileName  = "wmic",
                Arguments = "OS get FreePhysicalMemory,TotalVisibleMemorySize /Value",
                RedirectStandardOutput = true
            };

            using (var process = Process.Start(info))
            {
                output = process.StandardOutput.ReadToEnd();
            }

            var lines            = output.Trim().Split("\n");
            var freeMemoryParts  = lines[0].Split("=", StringSplitOptions.RemoveEmptyEntries);
            var totalMemoryParts = lines[1].Split("=", StringSplitOptions.RemoveEmptyEntries);

            var metrics = new MemoryMetrics
            {
                Total = Math.Round(double.Parse(totalMemoryParts[1]) / 1024, 0),
                Free  = Math.Round(double.Parse(freeMemoryParts[1]) / 1024, 0)
            };

            metrics.Used = metrics.Total - metrics.Free;

            return(metrics);
        }