From d825c0237857732b75d2c07c93a37abecb8d5052 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Fri, 14 Mar 2025 06:55:30 +0100
Subject: [PATCH] Update readme.md

---
 readme.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/readme.md b/readme.md
index 6d8a204..ec463a3 100644
--- a/readme.md
+++ b/readme.md
@@ -276,6 +276,23 @@ kubectl apply -f https://raw.githubusercontent.com/qemus/qemu-arm/refs/heads/mas
     - /dev/bus/usb
   ```
 
+### How do I share files with the host?
+
+  To share files with the host, first ensure that your guest OS has `9pfs` support compiled in or available as a kernel module. If so, add the following volume to your compose file:
+
+  ```yaml
+  volumes:
+    -  ./example:/shared
+  ```
+
+  Then start the container and execute the following command in the guest:
+
+  ```shell
+  mount -t 9p -o trans=virtio shared /mnt/example
+  ```
+
+  Now the `./example` directory on the host will be available as `/mnt/example` in the guest.
+
 ### How can I provide custom arguments to QEMU?
 
   You can create the `ARGUMENTS` environment variable to provide additional arguments to QEMU at runtime: