diff --git a/internal/shell/shell.go b/internal/shell/shell.go
new file mode 100644
index 000000000..424eb9014
--- /dev/null
+++ b/internal/shell/shell.go
@@ -0,0 +1,11 @@
+package shell
+
+type EnvironmentVariable struct {
+	Key   string
+	Value string
+}
+
+type InitFile struct {
+	Filename  string
+	Variables []EnvironmentVariable
+}