refactor

technology/dev/Git.md

@@ -217,6 +217,9 @@ git diff
 # Output a summary of file creations, renames and mode changes since a given commit:
 git diff --summary commit
 
+# Output a statistic of changes
+git diff --stat commit
+
 # Compare a single file between two branches or commits:
 git diff branch_1..branch_2 [--] path/to/file