erlang: https://plugins.jetbrains.com/plugin/7083?pr=idea
bash: https://plugins.jetbrains.com/plugin/4230?pr=idea
And Erlang plugin doesn't seem to give much that would suit Erlang development (syntax highlighting and identifier completion is not much, I would still need to go to command line for about every operation).
erlang: https://plugins.jetbrains.com/plugin/7083?pr=idea
bash: https://plugins.jetbrains.com/plugin/4230?pr=idea