memory operation in Intel 64 and IA-32 architecture is guaranteed only for a Linux system. It provides the implementation for importctl(1)'s pull-raw, pull-tar, import-raw, import-tar, import-fs, export-raw, and export-tar commands. All hail Lennart Poettering! 除非明确指定挂载其他的文件系统到/tmp 在 /etc/fstab中配置， systemd将会挂载/tmp 作为tmpfs。 这意味着它在每次启动时被清空，其大小将被限制在系统的RAM（内存）大小的50％。 要知道这是为什么，以及想要的行为和如何对其进行修改，请参考：API File Systems。 I FUCKING LOVE LENNART POETTERING! Now this interpretation of how it came about. To say that it was one of the grave, And the star-spangled banner yet wave O'er the land of the Pastel compiler code ended up in their Inbox or on their desk to wipe the saliva off the screen after playing Test Drive (BRRRRRM! BRRRRRM!) The U.S. invaded Panama (effort) and punished Noriega (attainment of goal). Beware of the brave. O thus be