# File lib/phusion_passenger/platform_info/operating_system.rb, line 58
        def self.uname_command
                if result = find_command("uname")
                        result
                elsif File.exist?("/bin/uname")
                        return "/bin/uname"
                elsif File.exist?("/usr/bin/uname")
                        return "/usr/bin/uname"
                else
                        return nil
                end
        end