所以，我一直在试图弄清楚为什么它说文件系统根目录已满。我尝试过自动清理和清理，以及我使用的主要虚拟机。有人能告诉我这个列表中所有这些“循环”是什么吗？以及这一行是否重要/dev/mapper/ubuntu--vg-root 914G 866G 1.7G 100% /。谢谢。
文件系统大小已使用可用使用率%安装于 udev 16G 0 16G 0％/dev tmpfs 3.2G 2.3M 3.2G 1% /运行 /dev/mapper/ubuntu --vg-root 914G 866G 1.7G 100% / tmpfs 16G 144M 16G 1％/dev/shm tmpfs 5.0M 4.0K 5.0M 1% /运行/锁定 tmpfs 16G 0 16G 0％/sys/fs/cgroup /dev/loop3 97M 97M 0 100% /snap/core/9665 /dev/loop0 105M 105M 0 100% /snap/brackets/138 /dev/loop5 234M 234M 0 100% /snap/atom/260 /dev/loop1 234M 234M 0 100% /snap/atom/259 /dev/loop7 97M 97M 0 100% /snap/core/9804 /dev/loop4 70M 70M 0 100% /snap/cherrytree/28 /dev/loop10 256M 256M 0 100% /snap/gnome-3-34-1804/36 /dev/loop6 55M 55M 0 100% /snap/core18/1880 /dev/loop2 70M 70M 0 100% /snap/cherrytree/22 /dev/loop8 141M 141M 0 100% /snap/gnome-3-26-1604/100 /dev/loop9 106M 106M 0 100% /snap/electrum/2 /dev/loop11 161M 161M 0 100% /snap/gnome-3-28-1804/116 /dev/loop13 110M 110M 0 100% /snap/woe-usb/21 /dev/loop16 2.3M 2.3M 0 100% /snap/gnome-system-monitor/148 /dev/loop18 4.0M 4.0M 0 100% /snap/hw-probe/828 /dev/loop19 4.0M 4.0M 0 100% /snap/hw-probe/755 /dev/loop17 256K 256K 0 100% /snap/gtk2-common-themes/9 /dev/loop21 49M 49M 0 100% /snap/gtk-common-themes/1474 /dev/loop14 256M 256M 0 100% /snap/gnome-3-34-1804/33 /dev/loop15 68M 68M 0 100% /snap/sublime-text/85 /dev/loop23 141M 141M 0 100% /snap/gnome-3-26-1604/98 /dev/loop12 63M 63M 0 100% /snap/gtk-common-themes/1506 /dev/loop25 2.3M 2.3M 0 100% /snap/gnome-system-monitor/145 /dev/loop22 256K 256K 0 100% /snap/gtk2-common-themes/13 /dev/loop20 162M 162M 0 100% /snap/gnome-3-28-1804/128 /dev/loop24 56M 56M 0 100% /snap/core18/1885 /dev/sda2 705M 428M 226M 66% /boot /dev/sda1 511M 39M 473M 8% /boot/efi tmpfs 3.2G 24K 3.2G 1％/运行/用户/121 tmpfs 3.2G 40K 3.2G 1％/运行/用户/1000