[LINUX/OSX ENV]golang put file in a dir

file_mv.go

package main

import (
	"fmt"
	"os/exec"
)

func main() {
	MVcmd := exec.Command("mv", "Ncell.png", "test")
	err := MVcmd.Run()
	if err != nil {
		fmt.Println("MV failed")
	}
}