Ｖ字龍 (Vdragon) says to Ubuntu 台灣社群 裡面有講到 Linux https://www.quora.com/Why-does-Windows-require-a-restart-after-installing-updates-If-I-understand-correctly-this-could-be-avoided-if-the-Windows-development-team-made-clever-use-of-their-own-shadow-copy-technologies