diff --git a/README.md b/README.md
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+++ b/README.md
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 # fundamentals
 A collection of tutorials on computer fundamentals
 
+## Table of Contents
+
+- [DBMS](dbms/README.md)
+- [Operating Systems](os/README.md)
+- [Computer Networking](networking/README.md)
+- [Object Oriented Programming](oop/README.md)
diff --git a/oop/README.md b/oop/README.md
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