A shell variable is a variable that is available only to the current shell. In contrast, an environment variable is available system wide and can be used by other applications on the system.A shell is the operating system's command interpreter. It processes the commands entered on the command line or read from a shell script file.
Amazon Web Services (AWS) is a bundled remote computing service that provides cloud computing infrastructure over the Internet with storage, bandwidth and customized support for application programming interfaces (API).
Launched in 2006, AWS is provided by cloud solution concept pioneer Amazon Inc. Amazon's internal IT resource management built AWS, which expanded and grew into an innovative and cost-effective cloud solution provider.
Amazon launched AWS during cloud computing's early transitional phase. Prior to the launch, Amazon rebuilt its infrastructure to consolidate server power and storage after realizing their host servers were approximately 50 percent below capacity. AWS resides on the same infrastructure as the host of Amazon's other Web properties, such as Webstore.
Amazon packages AWS with scalable and virtually unlimited computing, storage and bandwidth resources. AWS uses the subscription pricing model of pay-as-you-go or pay-for-what-you-use.
AWS services include:
Amazon EC2 and Amazon S3 are the two core Infrastructure as a Service (IaaS) services, which are used by cloud application solution developers worldwide.
Read More »
Join 138,000+ IT pros on our weekly newsletter
Home | Advertising Info | Write for Us | About | Contact Us
2010 - 2015
Partner Sites :