set PATH in ubuntu system
1、使用者目錄下的 .bashrc 檔案
在使用者主目錄下,有一個 .bashrc 檔案,編輯該檔案:
該檔案編輯儲存後,可立即在新開啟的終端視窗內生效。
該方式新增的變數只能當前使用者使用。
2、系統目錄下的 profile 檔案
在系統的 etc 目錄下,有一個 profile 檔案,編輯該檔案:
該檔案編輯儲存後,重啟系統,變數生效。
該方式新增的變數對所有的使用者都有效。
3、系統目錄下的 environment 檔案
在系統的 etc 目錄下,有一個 environment 檔案,編輯該檔案:
$gedit /etc/environment
找到以下的 PATH 變數:
PATH=”<……>”
修改該 PATH 變數,在其中加入自己的path即可,例如:
PATH=”~/mypath/bin:<……>”
各個path之間用冒號分割。該檔案也是重啟生效,影響所有使用者。
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