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popd
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===
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用于删除目录栈中的记录
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## 补充说明
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**popd命令** 用于删除目录栈中的记录；如果popd命令不加任何参数，则会先删除目录栈最上面的记录，然后切换到删除过后的目录栈中的最上面的目录。
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### 语法
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```
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pushd(选项)(参数)
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```
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### 选项
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```
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+N：将第N个目录删除（从左边数起，数字从0开始）；
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-N：将第N个目录删除（从右边数起，数字从0开始）；
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-n：将目录出栈时，不切换目录。
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```
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### 实例
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```
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root@Mylinux:/tmp/dir4# popd（相当于popd +0）
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/tmp/dir3 /tmp/dir2 /tmp/dir1 ~
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root@Mylinux:/tmp/dir3# pushd /tmp/dir4
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/tmp/dir4 /tmp/dir3 /tmp/dir2 /tmp/dir1 ~
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root@Mylinux:/tmp/dir4# popd +1
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/tmp/dir4 /tmp/dir2 /tmp/dir1 ~
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root@Mylinux:/tmp/dir4# popd -2
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/tmp/dir4 /tmp/dir1 ~
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```
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<!-- Linux命令行搜索引擎：https://jaywcjlove.github.io/linux-command/ -->
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