Filesystem            1K-blocks     Used Available Use% Mounted on
devtmpfs                1002000        0   1002000   0% /dev
tmpfs                   1017380        0   1017380   0% /dev/shm
tmpfs                   1017380     8740   1008640   1% /run
tmpfs                   1017380        0   1017380   0% /sys/fs/cgroup
/dev/mapper/rhel-root  10258432  4076100   6182332  40% /
/dev/vda1               1038336   152624    885712  15% /boot
/dev/vdb1              25670884 12365804  11978028  51% /mailstore
tmpfs                    203476        0    203476   0% /run/user/0
