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                #### bash變量類型 ``` 本地變量 : 作用域僅為當前shell進程 環境變量 : 作用域為當前shell進程及其子進程 局部變量 : 作用域僅為某代碼片段( 函數上下文 ) ``` #### 本地變量 ``` 變量賦值: name=value root@iZm5e1y15z8ms94adqia7hZ:~# name=sn 變量引用: ${name}, $name "" : 變量名替換為其值 '' : 變量名不會替換成其值 查看變量: set 撤銷變量: unset name ``` #### 環境變量 ``` ``` #### 局部變量 ``` ```
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