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.
The more data we collect, the more useful it may become, perhaps in ways we haven't even thought of yet.
Kimberly Crossland is a digital marketing specialist who has worked in the United States and abroad with technology companies. After graduating from the University of Arizona, she followed her passion for the fast-paced ever changing world of technology and now writes about up and coming trends and important information anyone in business must know about technology to succeed. Full Bio
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