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e2undo:tldr:d10eb
e2undo: Perform an undo operation and display verbose information.
$ e2undo -v ${path-to-undo_file} ${-dev-sdXN}
try on your machine
The command you provided, "e2undo -v ${path-to-undo_file} ${-dev-sdXN}", seems to be a command line utility for Linux that deals with undoing changes in a file system.
Here's a breakdown of the command:
- "e2undo" is the name of the command-line utility or executable that is being invoked.
- "-v" is an option or flag that stands for "verbose". It is used to enable more detailed or informational output during the execution of the command.
- "${path-to-undo_file}" is a placeholder for the actual path to the undo file. You need to replace it with the specific path to the undo file you want to use. It could be something like "/home/user/undo_file" or any valid file path.
- "${-dev-sdXN}" is another placeholder, but it seems to represent the device or partition on which the undo operation should take place. You need to replace it with the actual device or partition identifier you want to undo changes on. For example, if you want to undo changes on the second partition of the second hard drive, it could be "/dev/sdb2".
To use this command, replace the placeholders with the correct paths and identifiers, and then execute it in a terminal or command prompt. Make sure you have the "e2undo" utility installed and that you have the necessary permissions to perform the undo operation.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.