The equivalent commands in GRUB Legacy are hide and unhide.
GRUB Legacy中同样的命令是hide和unhide。
Hide and unhide pictures, audio, videos and all other files.
隐藏和取消隐藏图片，音频，视频和其他文件。
Duplicate these four frames and in layer window hide the closed eye layer and unhide the open eye layer.
复制这四个帧，隐藏闭着的眼睛层，显示睁着的眼睛层。
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