So before going to all about details of set get and unset magento registry variable we need to discuss little about all those global variable patterns.So generally magento uses global variable by singleton pattern and registry partern. As.As our article
Create magento admin user
Generally magento admin user can be created by web interface.That the super user can create different admin user by providing different permission to that user.To Create magento admin user you can also do by custom script.By using custom script you
How to change magento admin URL
How to change magento admin URL ? why this question comes into mind I can say its because of security issue.Generally for protecting magento backend against hackers we need to change the default URL to our custom URL of Magento