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                用來更改某個**目錄或文件**的用戶名和用戶組的 chown 需要超級用戶**root的權限**才能執行此命令。 **chown** 用戶名:組名 文件路徑(可以是就對路徑也可以是相對路徑) <br> 例1: ``` chown root:root /tmp/tmp1 ``` 就是把tmp下的tmp1的用戶名(**擁有者**)和用戶組(**組使用者**)改成root和root(只修改了tmp1的屬組). <br> 例2: ``` chown -R root:root /tmp/tmp1 ``` 就是把tmp下的tmp1下的所有文件的屬組都改成root和root。 <br> 例3: ~~~ chown root /var/run/httpd.pid ~~~ 把 /var/run/httpd.pid 的所有者設置 root: <br> 例4: ~~~ chown runoob:runoobgroup file1.txt ~~~ 將文件 file1.txt 的擁有者設為 runoob,群體的使用者 runoobgroup : <br> 例5: ~~~ chown :512 /home/runoob ~~~ 把 /home/runoob 的關聯組設置為 512 (關聯組ID),不改變所有者:
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