All data created during this guest session will be deleted when you log out 問題的解決

Ubuntu16.04登錄遇到該問題 All data created during this guest session will be deleted when you log out, and settings will be reset to defaults 其實我們把它翻譯一下很簡單，就是說你是一個遊客登錄的身份，在你操作這臺電腦期間的所有數據和設置都會被清空，請你把你要保存的文件保存

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