func Chtimes(name string, atime time.Time, mtime time.Time) error
func Clearenv()
func Environ() []string
func Exit(code int)
func Expand(s string, mapping func(string) string) string
func Fictional(lol ...string)
func FindProcess(pid int) (*os.Process, error)
func Hostname() (name string, err error)
func MkdirAll(path string, perm os.FileMode) error