zpool.go
func zpool(arg ...string) ([][]string, error) {
	c := command{Command: "zpool"}
	return c.Run(arg...)
}
func zpool(arg ...string) ([][]string, error) {
	c := command{Command: "zpool"}
	return c.Run(arg...)
}
// zpool is a helper function to wrap typical calls to zpool.