Do we have command to upgrade customized module in magento 2. ?How to ugrade it ?
Magento 2 migration is the official code migration tool which can help the developers to migrate theirs extensions and design themes from 2.0.0 to 2.1. I haven't tried yet... but this should help you to start.
Have u want to talk about http://tinyurl.com/upmagtomag?
It is a Magento migration extension to upgrade custom module to magento 2.
Yes, Thanks. I suggest this magento upgrade extension to transfer database (default and custom modules) from magento to magento 2.1.