$ df /tmp Filesystem 1K-blocks Used Available Use% Mounted on /dev/root 480589544 42607368 413546516 10% / $ ls /dev/root ls: cannot access /dev/root: No such file or directory 我想检查默认的Debian安装位置是否/tmp在RAM或磁盘上,但是现在完全感到困惑了。为什么将不存在的设备报告为文件系统类型?“安装在/”上是什么意思? 这是输出mount: /dev/sda1 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered) sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=811520k,mode=755) tmpfs on …
我已经安装/dev并立即尝试卸载: $ sudo mount -o rbind /dev m $ sudo umount m umount: /tmp/m: target is busy. $ sudo lsof m lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs Output information may be incomplete. COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME kdevtmpfs 55 root cwd DIR 0,6 4420 …