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选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
2019-03-22 15:04:57 +08:00
[#]: collector: (lujun9972)
Translating by MjSeven
2019-04-03 14:15:30 +08:00
[#]: translator: (MjSeven)
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
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[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Quickly Go Back To A Specific Parent Directory Using bd Command In Linux)
[#]: via: (https://www.2daygeek.com/bd-quickly-go-back-to-a-specific-parent-directory-in-linux/)
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
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在 Linux 中使用 bd 命令快速返回到特定的父目录
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
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======
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<to 校正：我在 ubuntu 上似乎没有按照这个教程成功使用 bd 命令，难道我的姿势不对？>
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两天前我们写了一篇关于 `autocd` 的文章，它是一个内置的 `shell` 变量，可以帮助我们在**[没有 `cd` 命令的情况下导航到目录中][1]**.
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如果你想回到上一级目录，那么你需要输入 `cd ..`。
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
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如果你想回到上两级目录，那么你需要输入 `cd ../..`。
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
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这在 Linux 中是正常的，但如果你想从第九个目录回到第三个目录，那么使用 cd 命令是很糟糕的。
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有什么解决方案呢？
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
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是的，在 Linux 中有一个解决方案。我们可以使用 bd 命令来轻松应对这种情况。
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### 什么是 bd 命令？
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
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bd 命令允许用户快速返回 Linux 中的父目录，而不是反复输入 `cd ../../..`。
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你可以列出给定目录的内容，而不用提供完整路径 `ls `bd Directory_Name``。它支持以下其它命令，如 ls、ln、echo、zip、tar 等。
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另外，它还允许我们执行 shell 文件而不用提供完整路径 `bd p`/shell_file.sh``。
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### 如何在 Linux 中安装 bd 命令？
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除了 Debian/Ubuntu 之外，bd 没有官方发行包。因此，我们需要手动执行方法。
对于 **`Debian/Ubuntu`** 系统，使用 **[APT-GET 命令][2]**或**[APT 命令][3]**来安装 bd。
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```
$ sudo apt install bd
```
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对于其它 Linux 发行版，使用 **[wget 命令][4]**下载 bd 可执行二进制文件。
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```
$ sudo wget --no-check-certificate -O /usr/local/bin/bd https://raw.github.com/vigneshwaranr/bd/master/bd
```
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设置 bd 二进制文件的可执行权限。
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```
$ sudo chmod +rx /usr/local/bin/bd
```
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在 `.bashrc` 文件中添加以下值。
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```
$ echo 'alias bd=". bd -si"' >> ~/.bashrc
```
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运行以下命令以使更改生效。
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```
$ source ~/.bashrc
```
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要启用自动完成，执行以下两个步骤。
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```
$ sudo wget -O /etc/bash_completion.d/bd https://raw.github.com/vigneshwaranr/bd/master/bash_completion.d/bd
$ sudo source /etc/bash_completion.d/bd
```
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我们已经在系统上成功安装并配置了 bd 实用程序，现在是时候测试一下了。
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我将使用下面的目录路径进行测试。
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运行 `pwd` 命令或 `dirs` 命令，亦或是 `tree` 命令来了解你当前的路径。
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```
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ pwd
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或者
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daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ dirs
/usr/share/icons/Adwaita/256x256/apps
```
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我现在在 `/usr/share/icons/Adwaita/256x256/apps` 目录，如果我想快速跳转到 `icons` 目录，那么只需输入以下命令即可。
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```
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ bd icons
/usr/share/icons/
daygeek@Ubuntu18:/usr/share/icons$
```
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甚至，你不需要输入完整的目录名称，也可以输入几个字母。
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```
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ bd i
/usr/share/icons/
daygeek@Ubuntu18:/usr/share/icons$
```
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`注意:` 如果层次结构中有多个同名的目录，bd 会将你带到最近的目录。（不考虑直接的父目录）
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如果要列出给定的目录内容，使用以下格式。它会打印出 `/usr/share/icons/` 的内容。
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```
$ ls -lh `bd icons`
or
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ ls -lh `bd i`
total 64K
drwxr-xr-x 12 root root 4.0K Jul 25 2018 Adwaita
lrwxrwxrwx 1 root root 51 Feb 25 14:32 communitheme -> /snap/communitheme/current/share/icons/communitheme
drwxr-xr-x 2 root root 4.0K Jul 25 2018 default
drwxr-xr-x 3 root root 4.0K Jul 25 2018 DMZ-Black
drwxr-xr-x 3 root root 4.0K Jul 25 2018 DMZ-White
drwxr-xr-x 9 root root 4.0K Jul 25 2018 gnome
drwxr-xr-x 3 root root 4.0K Jul 25 2018 handhelds
drwxr-xr-x 20 root root 4.0K Mar 9 14:52 hicolor
drwxr-xr-x 9 root root 4.0K Jul 25 2018 HighContrast
drwxr-xr-x 12 root root 4.0K Jul 25 2018 Humanity
drwxr-xr-x 7 root root 4.0K Jul 25 2018 Humanity-Dark
drwxr-xr-x 4 root root 4.0K Jul 25 2018 locolor
drwxr-xr-x 3 root root 4.0K Feb 25 15:46 LoginIcons
drwxr-xr-x 3 root root 4.0K Jul 25 2018 redglass
drwxr-xr-x 10 root root 4.0K Feb 25 15:46 ubuntu-mono-dark
drwxr-xr-x 10 root root 4.0K Feb 25 15:46 ubuntu-mono-light
drwxr-xr-x 3 root root 4.0K Jul 25 2018 whiteglass
```
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如果要在父目录中的某个位置执行文件，使用以下格式。它将运行 shell 文件 `/usr/share/icons/users-list.sh`。
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```
$ `bd i`/users-list.sh
or
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ `bd icon`/users-list.sh
daygeek
thanu
renu
2gadmin
testuser
demouser
sudha
suresh
user1
user2
user3
```
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如果你位于 `/usr/share/icons/Adwaita/256x256/apps` 中，想要导航到不同的父目录，使用以下格式。以下命令将导航到 `/usr/share/icons/gnome` 目录。
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```
$ cd `bd i`/gnome
or
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ cd `bd icon`/gnome
daygeek@Ubuntu18:/usr/share/icons/gnome$
```
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如果你位于 `/usr/share/icons/Adwaita/256x256/apps` ，你想在 `/usr/share/icons/` 下创建一个新目录，使用以下格式。
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```
$ daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ sudo mkdir `bd icons`/2g
daygeek@Ubuntu18:/usr/share/icons/Adwaita/256x256/apps$ ls -ld `bd icon`/2g
drwxr-xr-x 2 root root 4096 Mar 16 05:44 /usr/share/icons//2g
```
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本教程允许你快速返回到特定的父目录，但没有快速前进的选项。
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我们有另一个解决方案，很快就会提出新的解决方案，请跟我们保持联系。
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--------------------------------------------------------------------------------
via: https://www.2daygeek.com/bd-quickly-go-back-to-a-specific-parent-directory-in-linux/
作者：[Magesh Maruthamuthu][a]
选题：[lujun9972][b]
Translating by MjSeven
2019-04-03 14:15:30 +08:00
译者：[MjSeven](https://github.com/MjSeven)
选题: 20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux sources/tech/20190320 Quickly Go Back To A Specific Parent Directory Using bd Command In Linux.md
2019-03-22 15:04:57 +08:00
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://www.2daygeek.com/author/magesh/
[b]: https://github.com/lujun9972
[1]: https://www.2daygeek.com/navigate-switch-directory-without-using-cd-command-in-linux/
[2]: https://www.2daygeek.com/apt-get-apt-cache-command-examples-manage-packages-debian-ubuntu-systems/
[3]: https://www.2daygeek.com/apt-command-examples-manage-packages-debian-ubuntu-systems/
[4]: https://www.2daygeek.com/wget-command-line-download-utility-tool/
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