Some times we can not access our magento admin and want to disabled the Magento Compiler manually or from the SSH. For getting the more information on the Magento Compiler. It is very easy to Enable or Disabled the Maganto Compiler manually or by using the SSH shell, follow
Magento compiler is a mysterious feature that was introduced in Magento version 1.4.2. According to the Magento official announcement, Compiler can increase the performance of the Magento from 25-50%. According to the Yoav Kutner - Magento chief: