Linux显示包含全部的文件系统 ~~~ youhaidong@youhaidong-ThinkPad-Edge-E545:~$ df -a 文件系统 1K-blocks 已用 可用 已用% 挂载点 /dev/sda8 19554840 7331956 11206500 40% / proc 0 0 0 - /proc sysfs 0 0 0 - /sys none 4 0 4 0% /sys/fs/cgroup none 0 0 0 - /sys/fs/fuse/connections none 0 0 0 - /sys/kernel/debug none 0 0 0 - /sys/kernel/security udev 1540740 4 1540736 1% /dev devpts 0 0 0 - /dev/pts tmpfs 310308 1472 308836 1% /run none 5120 0 5120 0% /run/lock none 1551532 152 1551380 1% /run/shm none 102400 36 102364 1% /run/user none 0 0 0 - /sys/fs/pstore /dev/sda10 49082176 2554860 44010992 6% /home /dev/sda9 967320 64652 836316 8% /boot systemd 0 0 0 - /sys/fs/cgroup/systemd gvfsd-fuse 0 0 0 - /run/user/1000/gvfs youhaidong@youhaidong-ThinkPad-Edge-E545:~$ df --all 文件系统 1K-blocks 已用 可用 已用% 挂载点 /dev/sda8 19554840 7379372 11159084 40% / proc 0 0 0 - /proc sysfs 0 0 0 - /sys none 4 0 4 0% /sys/fs/cgroup none 0 0 0 - /sys/fs/fuse/connections none 0 0 0 - /sys/kernel/debug none 0 0 0 - /sys/kernel/security udev 1540740 4 1540736 1% /dev devpts 0 0 0 - /dev/pts tmpfs 310308 1472 308836 1% /run none 5120 0 5120 0% /run/lock none 1551532 156 1551376 1% /run/shm none 102400 36 102364 1% /run/user none 0 0 0 - /sys/fs/pstore /dev/sda10 49082176 2556056 44009796 6% /home /dev/sda9 967320 64652 836316 8% /boot systemd 0 0 0 - /sys/fs/cgroup/systemd gvfsd-fuse 0 0 0 - /run/user/1000/gvfs youhaidong@youhaidong-ThinkPad-Edge-E545:~$ ~~~