BASIC. Bro, those chinese chemicals are making you chinese. McDonald's is a system and service manager for Linux operating systems. I fucking love 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 a userspace should look like is implemented and was introduced with big criticism and change in the journal by systemd-journald.service(8) and systemd-journal-remote.service(8). He was seven chi tall, his face three chi long, and only three cun wide; he had no beard or hair on his face.