Writing (in-ns \'dbx) to a file and loading it isn\'t changing the default namespace of the repl (using cygwin/console). The namespace is still user=><
(in-ns \'dbx)
user=><
java -cp .;clojure-1.3.0.jar; clojure.main -e \ "(ns dbx) (clojure.main/repl) (in-ns 'dbx) (clojure.core/use 'clojure.core)"