Ubuntu問題：E45: 'readonly' option is set (add ! to override)錯誤解決

問題描述：E45: 'readonly' option is set (add ! to override)

問題分析：該錯誤為當前用戶沒有權限對文件作修改

問題解決：

輸入　　:w !sudo tee %

• :w – write
• !sudo – call shell sudo command
• tee – the output of write (:w) command is redirected using tee
• % – current file name