You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: linux.go
    path of file: ./repos/lastbackend/pkg/util/system/os
    
    the code of the file until where you have to start completion: // +build linux
//
//
    
func info() string {
	var (
		out    bytes.Buffer
		stderr bytes.Buffer
	)
	cmd := exec.Command("uname", "-srio")
	cmd.Stdin = strings.NewReader("some input")
	cmd.Stdout = &out
	cmd.Stderr = &stderr
	if err := cmd.Run(); err != nil {
		fmt.Printf("error get info %s", err.Error())
		return ""
	}
	return out.String()
}