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# Linux grpconv命令



Linux grpconv(group convert to shadow password)命令用于開啟群組的投影密碼。

Linux系統里的用戶和群組密碼，分別存放在/etc目錄下的passwd和group文件中。因系統運作所需，任何人都得以讀取它們，造成安全上的破綻。投影密碼將文件內的密碼改存在/etc目錄下的shadow和gshadow文件內，只允許系統管理者讀取，同時把原密碼置換為"x"字符。投影密碼的功能可隨時開啟或關閉，您只需執行grpconv指令就能開啟群組投影密碼。

### 語法

```
grpconv
```




                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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