osutil.go
func ExecSudo(cmd string, args ...string) error {
	return Exec("sudo", append([]string{cmd}, args...)...)
}
func ExecSudo(cmd string, args ...string) error {
	return Exec("sudo", append([]string{cmd}, args...)...)
}
func ExecSudo ( cmd string , args ... string ) error { return Exec ( " " , append ( [ ] string { cmd } , args ... ) ... ) }
// ExecSudo executes a command under "sudo".
ExecSudo executes a command under sudo .