Ubuntu is a Linux-based operating system that runs from the desktop, to the cloud, to all your internet connected things in between. Perfect for home users, students and hackers alike, its easy-to-use interface puts you in control of your machine. Users can run Ubuntu on a computer, or in a virtual machine on top of their existing operating system. There are three editions: 'Ubuntu Desktop Edition' for personal computers, the 'Ubuntu Server Edition', and the lightweight 'Ubuntu Core' edition for embedded devices and appliances.
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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