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.
Apps have helped shape the leaders in mobile technology. Apple Inc., which was first out of the gate with the promotion of its App Store in 2008, gained a large chunk of market share with its iPhone. Apps were part of the iPhone's initial draw. Android has since gained ground with its Android Market, which peddles apps for Android-based phones.
Apps are also effecting a shift for online businesses, which are often accessed through an app on a mobile device, rather than over the Web. As a result, websites that get most of their revenue through online ads have had to consider what apps mean to their business model.
Read More »
Join 138,000+ IT pros on our weekly newsletter
Home | Advertising Info | Write for Us | About | Contact Us
2010 - 2015
Partner Sites :