مقایسه فایل(ها) و پوشه(ها). اطلاعات بیشتر: https://man7.org/linux/man-pages/man1/diff.1.html.
diff {{old_file}} {{new_file}}
diff --ignore-all-space {{old_file}} {{new_file}}
diff --side-by-side {{old_file}} {{new_file}}
git diff
) :diff --unified {{old_file}} {{new_file}}
diff --recursive {{old_directory}} {{new_directory}}
diff --recursive --brief {{old_directory}} {{new_directory}}
diff --text --unified --new-file {{old_file}} {{new_file}} > {{diff.patch}}