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              文件系統常用命令:cd命令

              為方便馬哥學員的理解和使用,馬哥linux運維團隊特別做了《馬哥Linux命令大全錦集》,命令是集合了馬哥教育學員在工作中使用的Linux常用命令,由馬哥創始團隊加工精制而成。

              本期為《馬哥Linux命令大全錦集》02期,本期介紹的Linux命令為文件系統常用命令:cd命令。

              1.cd命令的定義

              cd其實也是一個簡寫,他表示什么,叫做change directory,所以簡稱為叫cd,主要作用我們從名字上我們也能看的出來表示要切換目錄的,所以叫切換目錄。

              那我們切換時,很顯然,既然要切換目錄,那后面是不是要跟上目錄啊,所以后面參數通常叫做:【/PATH/TO/SOMDIR】,但是我加上中括號這里表示可選的,意思就是說cd可以不用帶任何參數

              2.cd命令的作用

              –這意味著什么呢?

              –意味著cd是一個內嵌命令,

              3.cd命令的使用

              比如說我們在當前目錄上執行cd,大家看:

              ~]# type cd

              文件系統常用命令:cd命令

              因此我們可以使用help來看一下cd的使用幫助:

              ~]# help cd

              文件系統常用命令:cd命令

              我們使用cd,或者 后面跟上dir即可,它也有幾個選項可用,如果我們在執行cd命令時候,具體的使用方式如下:

              文件系統常用命令:cd命令

               

              是我們此前在反復的用的命令之一,叫做cd。

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