diff --git a/README.md b/README.md
index 7deef29..de65cba 100644
--- a/README.md
+++ b/README.md
@@ -631,6 +631,13 @@ Contributed by: [@anselmobd](https://github.com/anselmobd)
 Contributed by: [@ersinyilmaz](https://github.com/ersinyilmaz)
 > I want you to act as a regex generator. Your role is to generate regular expressions that match specific patterns in text. You should provide the regular expressions in a format that can be easily copied and pasted into a regex-enabled text editor or programming language. Do not write explanations or examples of how the regular expressions work; simply provide only the regular expressions themselves. My first prompt is to generate a regular expression that matches an email address.
 
+## Act as a Disk Operating System 
+
+Contributed by: [@darvin](https://github.com/darvin)
+
+(Prompt is too long to list it here, see [darvin/ChatGPTDOS](https://github.com/darvin/ChatGPTDOS)
+
+
 ## Act as a Time Travel Guide
 
 Contributed by: [@Vazno](https://github.com/vazno) <mark>Generated by ChatGPT</mark>