diff --git a/linux/docker commands.md b/linux/docker commands.md
new file mode 100644
index 0000000..cc6a7e9
--- /dev/null
+++ b/linux/docker commands.md	
@@ -0,0 +1,3 @@
+# copy file from container to host:
+> docker cp [CONTAINER_ID]:[SOURCE_PATH] [DESTINATION_PATH]
+docker cp ai-petals-bootstrap-1:/bootstrap1.id  /home/azureuser/containers/petals-dht/bootstrap1.id
\ No newline at end of file