Restore Modified Files in Linux

There are a few methods that can be used to restore the original content in a modified Linux system.

1. Using a backup file: If you have created a backup file before making any changes to a file, you can restore the backup file to the original file location. Backup files typically have a “~” extension, for example “file.txt~”.
2. Utilize version control tools: By utilizing version control tools such as Git to manage your code or files, you can use the tools’ restore command to revert back to the previous content before any changes were made.
3. Utilize file recovery tools: If you haven’t backed up your files or used version control tools, you can try using some file recovery tools to retrieve previous versions of your content. There are tools specifically designed for Linux systems that can scan storage devices and recover deleted or modified files.
4. Utilize system snapshots: Some Linux distributions (such as Ubuntu) offer a system snapshot feature that allows you to capture the current system state and revert back to it when needed. Refer to the documentation of your Linux distribution to learn how to use the system snapshot feature.

In general, no matter which method you use, it is important to back up your files before making any changes, and regularly create system snapshots or use version control tools to manage your files. This can help prevent data loss or editing errors and make it easier to restore to the content before the modifications.