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在 Linux 上查看隐藏文件和文件夹
Linux 在个人和专业用途上都有应用。在 Linux 中我们可以隐藏文件和目录。这些隐藏的文件和文件夹通常不会显示在用户界面中，但可以通过终端访问。
这对于对临时用户隐藏重要的配置文件或数据很有用。本文将介绍在 Linux 上查看隐藏文件的步骤。
在我们可以继续之前，我们将创建一个文件，然后将其隐藏。
如何在 Linux 中查看隐藏文件和目录
要检查隐藏在 Linux 系统中的文件，我们可以使用：
- 命令行
- 文件管理器工具栏 (GUI)
- 键盘快捷方式 (GUI)
1：命令行
打开终端并使用以下命令列出目录中的所有文件：
$ ls在这里我们可以看到一个测试文件和其他文件。
要隐藏此测试文件，只需在命令开头添加一个点 (.)即可重命名它，例如：
$ mv test.txt .test.txt编写此命令后，我们的测试文件现在已隐藏：
现在再次列出所有文件：
$ ls在这里我们可以看到测试文件不再显示：
因为我们的测试文件现在是隐藏的。带有-a标志的ls 命令将列出隐藏文件。ls 向我们显示目录的所有文件，-a 标志告诉命令显示所有文件，包括隐藏文件。要查看隐藏文件，请运行以下命令：
$ ls -a这将显示所有文件，包括隐藏文件。隐藏的文件和文件夹通常以点 (.)为前缀，默认情况下不会显示在用户界面中。
现在我们可以看到，与其他隐藏文件一起，我们的测试文件也显示出来了。
2：文件管理器工具栏（GUI）
列表中的第二种查看隐藏文件的方法是使用文件管理器工具栏。打开我们要查看隐藏文件的目录，这里我们创建了一个名为test的文件夹：
首先，我们将创建一个隐藏文件夹，方法是将其重命名为以点 (.) 开头的名称，之后该文件将被隐藏。例如，将Test文件夹重命名为 ( .Test )。
现在我们可以看到 Test 文件夹被隐藏了：
要取消隐藏，请选择工具栏选项并选中显示隐藏文件选项：
它将显示隐藏在此目录中的所有文件，包括测试文件。所有隐藏文件都以点 (.)开头：
3：键盘快捷键（GUI）
列表中的最后一种方法是使用键盘快捷键。打开要读取隐藏文件的目录。之后按Ctrl+H将取消隐藏所有文件和文件夹，如果我们再次按下此键，所有文件夹将再次隐藏。
结论
可以通过终端查看 Linux 上的隐藏文件和文件夹。带有-a标志的ls命令是显示隐藏文件和文件夹所需的全部。此外，我们可以在文件管理器的 GUI 中使用键盘快捷键或工具栏。通过使用这些方法，您可以访问未显示在用户界面中的重要配置文件和数据。
文章原文出处：https: //linuxhint.com/
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