# diff > Compare files and directories. - Compare files: `diff {{file1}} {{file2}}` - Compare files, ignoring white spaces: `diff -w {{file1}} {{file2}}` - Compare files, showing differences side by side: `diff -y {{file1}} {{file2}}` - Compare directories recursively: `diff -r {{directory1}} {{directory2}}` - Compare directories, only showing the names of files that differ: `diff -rq {{directory1}} {{directory2}}`