分区挂载/卸载
==================

.. code-block:: shell

   # 挂载分区
   mount /dev/sdb1 /mnt/data

   # 开机自动挂载
   echo "/dev/sdb1 /mnt/data ext4 defaults 0 0" >> /etc/fstab

   # 卸载分区
   umount /mnt/data