Lubuntu is a complete Linux operating system, like Ubuntu, but based on the lightweight LXDE desktop environment. It is designed to be lighter, less resource hungry and more energy-efficient than other mainstream distributions. these target the performance of Lubuntu for PC and lower end machines. At the same time, Lubuntu remains a functional and light-weight desktop environment. It is a good operating system for those who want to have a small footprint on their computer and who use little hardware resources.
A Ruby Gem is a package that contains code and executables. A Ruby Gem package allows developers to bundle up the code into a single package that can be installed through one process. Gem is great for shell scripting, system administration, and application scripting. You can easily open a local or remote file on the command line. gem goes beyond simply splitting lines of files; it does word splitting too. And you can check to see if two words are in the same group made of delimited words.
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