Force umount

Once you insert new hard disks into your system, you’ll typically use utilities like fdisk or parted to create partitions. Once you create a partition, you’ll use mkfs command to create ext2, ext3, or ext4 partition.

Once you create a partition, you should use mount command to mount the partition into a mount point (a directory), to start using the filesystem.

This tutorial explains everything you need to know about both mount and umount command with 15 practical examples.