Update pwd.md
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@ -69,9 +69,11 @@ pwd [OPTION]...
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/var
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```
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显示软连接文件最终指向的文件路径
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```shell
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[root@localhost ~]# cd /var/ #进入/var目录,该目录下有个mail连接文件,方便对比查看
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[root@localhost var]# ll
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[root@localhost ~]# cd /var/ # 进入/var目录,该目录下有个 mail 软连接文件
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[root@localhost var]# ls -al
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total 164
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...
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lrwxrwxrwx 1 root root 10 Oct 17 2015 mail -> spool/mail
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@ -81,7 +83,7 @@ lrwxrwxrwx 1 root root 10 Oct 17 2015 mail -> spool/mail
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/var/mail
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```
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不使用逻辑路径,连接文件最终指向的文件
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使用 `-P` 参数,显示的不是逻辑路径,而是连接(软连接)文件最终指向的文件
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```shell
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[root@localhost mail]# pwd -P
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