a1@a1:~$ df -h
Filesystem                    Size  Used Avail Use% Mounted on
udev                          1.9G     0  1.9G   0% /dev
tmpfs                         388M  6.4M  382M   2% /run
/dev/mapper/xubuntu--vg-root  224G   52G  161G  25% /
tmpfs                         1.9G   84K  1.9G   1% /dev/shm
tmpfs                         5.0M  4.0K  5.0M   1% /run/lock
tmpfs                         1.9G     0  1.9G   0% /sys/fs/cgroup
/dev/sda1                     464M  403M   33M  93% /boot
tmpfs                         388M   32K  388M   1% /run/user/1000
/home/a1/.Private             224G   52G  161G  25% /home/a1
a1@a1:~$ uname -a
Linux a1 4.10.0-26-generic #30-Ubuntu SMP Tue Jun 27 09:30:12 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
a1@a1:~$