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+---
+title: Take a screenshot in Plan9
+url: /plan9-screenshot.html
+date: 2023-05-10T12:00:00+02:00
+type: note
+draft: false
+---
+
+Take a screenshot in Plan9. This applies to [Plan9](https://9p.io/plan9/) and
+[9front](https://9front.org/). This will take a screenshot of the screen and
+output it to `/dev/screen`. You can then use `topng` to convert it to a png
+image.
+
+```sh
+# Instant screenshot.
+cat /dev/screen | topng > screen.png
+
+# Delayed screenshot (5 seconds).
+sleep 5; cat /dev/screen | topng > screen.png
+```
+