Some terms can be confusing to a lay person. Cloud stack is one of them. What does it mean?

In simple terms, a cloud stack is a set of software or applications that have  been integrated into one product. They are usually unrelated applications that have been put together for one purpose. Think of them as software packages stacked on top of each other with the ability to interact with each other.

For instance, LAMP is a popular cloud stack that consists of Linux as an operating system, Apache as the server software component, MySQL as the database management system and PHP as the programming language. Alternatively, or often in addition to, Perl and/or Python are used as programming languages.

The LAMP cloud stack allows companies to manage a server environment for their own business needs or for multiple businesses. Many web hosting companies operate on LAMP for shared and dedicated hosting services.

There are other popular cloud stacks. The stack is usually put together by a service provider or SaaS provider to fulfill a particular market niche or business need. It is a useful model for SaaS, or Software-as-a-Service, providers in the cloud.

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