Migrate Structure

spring-shell-docs/modules/ROOT/pages/appendices-techical-intro-commandcontext.adoc

@@ -0,0 +1,20 @@
+=== Command Context
+The `CommandContext` interface gives access to a currently running
+context. You can use it to get access to options:
+
+====
+[source, java, indent=0]
+----
+include::{snippets}/CommandContextSnippets.java[tag=snippet1]
+----
+====
+
+If you need to print something into a shell, you can get a `Terminal`
+and use its writer to print something:
+
+====
+[source, java, indent=0]
+----
+include::{snippets}/CommandContextSnippets.java[tag=snippet2]
+----
+====