The diff command is used to compare files and directories in Linux. When you use the -r option with diff, it enables recursive comparison, allowing you to compare all files and subdirectories within two specified directories.
Purpose of diff -r:
- Compare Directories: It compares the contents of two directories, including all their subdirectories and files.
- Identify Differences: It shows differences between files in the directories, including which files are unique to each directory.
- Comprehensive Overview: It provides a complete view of how two directory structures differ, making it useful for backup verification, version control, and synchronization tasks.
Example Usage:
diff -r directory1/ directory2/This command will output the differences between directory1 and directory2, including any files that are present in one directory but not the other.
