Diff finds the differences between two texts: it lines up what is the same, then shows what was added or removed.
What you'll learn from this poster
What diff isCompares two texts / Shows added lines / Shows removed lines
How it comparesMatch the most in common / The rest is add/remove / This idea is called LCS
Where it's usedCode changes / Proofreading text / Version control (Git)
Reading it+ means added / - means removed / Unchanged lines stay
Diff lines up the same parts to show changes
Usage: Free to print and display for learning at school or home (no sign-up). High-resolution portrait PNG (1024×1536); A3 or larger is recommended. Please do not sell, use commercially, or redistribute modified versions.