# File src/ruby_supportlib/phusion_passenger/platform_info/operating_system.rb, line 74
    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