vos

func Chmod(name string, mode os.FileMode) error

func Chtimes(name string, atime, mtime time.Time) error

func Create(name string) (*os.File, error)

func Getenv(key string) string

func Getwd() (string, error)

func IsNotExist(err error) bool

func MkdirAll(path string, perm os.FileMode) error

func Open(name string) (*os.File, error)

func Remove(name string) error

func RemoveAll(name string) error