进行新建文件夹，下载，上传，打开，分割文件，合并文件，Unzip解压，Zip压缩，剪切 复制 粘贴 删除 全选 清除 重命名 等操作-for new folders, download, upload, opened separate document, the merger documents, Unzip unpack, Zip compression, shear copy and paste delete the entire election to remove rename etc