fsck:tldr:713a2

The command sudo fsck -r ${-dev-sdXN} is used to run a filesystem check and repair process on a specific device partition. Let's break down the command:

• sudo: It is a command used on Linux and Unix-like operating systems to execute a command with administrative or superuser privileges.

• fsck: It stands for "file system consistency check" and is a utility used to check and repair inconsistencies in a file system.

• -r: It is an option used with fsck to automatically repair any file system inconsistencies without requiring user intervention. It stands for "repair."

• ${-dev-sdXN}: This is a placeholder for the device and partition you want to run the filesystem check on. The ${-dev-sdXN} format is just an example; you would replace it with the actual device and partition name, for example, /dev/sda1.

So, when you execute this command with the appropriate device and partition name, it will run a filesystem check with automatic repair on that specific partition, helping to fix any inconsistencies or errors in the file system.