Are you interested in retrieving stock quotes in machine-readable form off the Internet? No problem: After a few mouse clicks, Portia weaves a command line and wraps the data in JSON format.
http://www.linuxpromagazine.com/Issues/2014/169/Portia
Hadoop version 2 has transitioned from an application to a Big Data platform. Reports of its demise are premature at best.
http://www.linuxpromagazine.com/Online/Features/Hadoop-2-and-Apache-Spark
In Linux, everything is a file – directories, devices, pipes – so lsof (list open files) reveals what's happening on your system.
http://www.linuxpromagazine.com/Issues/2014/168/lsof
http://www.linux-magazine.com/registration/start/66343/LUNL
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