Number 1 means that you grant execute rights, number 2 means that you make the file writeable, number 4 means that you make the file readable.是什么意思_Number 1 means that you grant execute rights, number 2 means that you make the file writeable, number 4 means that you make the file readable.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句