History and Basics of Day CQ or AEM (Adobe Experience Manager)

Day CQ -> To -> AEM (Adobe Experience Manager)- 

We all know that CQ/AEM(Adobe Experience Manager) is Content Management System(CMS) available in the market. All Content Management System(CMS) perform below tasks.

• Versioning
• publishing
• work flow
• indexing & searching

BackGround of AEM or CQ

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• CQ-1 is the first product from Day CQ

• CQ-2 used C language, files system to store data(platform dependent)

• In 2002 CQ3- java(started using internal WAP server for http requests CQSE - Servlet engine)

           Also having connectors to connect various data bases

• 2005 CQ 4 (added independent storage feature)

         CRX repository was added. Later was provided to Apache commons

• 2008 CQ 5 came into Market.

• In 2010 Adobe acquired DAY.

• 2013 AEM 5.6 version got released.

• AEM 6.0 architecture was changed.

           Features like which include Global Site Management, DAM And Dynamic media, Social Collaboration features, newer development features and some architectural changes, etc.

Technologies gets involve in CQ/AEM

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Technology	Features
Apache Jackrabbit	Its a Open source repository (following JCR specifications) CRX repository
Apache felix	Is a OSGI container
Apache tika	Indexing of all items/binding content except pdf
EXTJS	Used to implement user interface components
JQuery	Its a JS framework
Less.jsJ	Java script framework