Category Archives: Operating System

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs ( Wikipedia )

Data Security via Cryptography Primer Tutorial

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The subject of data security is becoming a bigger issue for all users of the Internet. People may vary about their feelings regarding the level of personal responsibility they feel towards securing the data they present to the world, whether … Continue reading →

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C 2D Array via File Tutorial

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You don’t have to use an IDE to do C programming. There is Digital Mars C as an example of that. We have talked about the Xcode command line tools before, that frees the gcc compiler to (also) be a … Continue reading →

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Rename Scenarios in Linux Shell Script Primer Tutorial

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Linux (or Unix) is a command line environment that is really powerful regarding file management. This power is no surprise as the basis of Unix and hence, Linux, is that files are at the heart of the design of the … Continue reading →

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Mac Messages Primer Tutorial

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The Messages application on Mac OS X (seen here on Mavericks (10.9.1)) is great for responding to notifications on a Mac without necessarily leaving the application you are in. Today an iPad sends a message (via the iMessage messenger service) … Continue reading →

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Windows Control Panel Action Center Primer Tutorial

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Is there the one place on your Windows computer where you can check on messaging arrangements, view alerts and take actions for? Virus Protection Spyware and Related Protection Windows Update Checking for Updates Network Firewall Internet Security Settings User Account … Continue reading →

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PHP/Javascript Hangman Game Tutorial

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Do you like word games? Today’s game is well known to lots of people … Hangman. It uses English words, based on the dictionary arrangements at its (web) server. Maybe it would be a good game to learn English vocabulary. … Continue reading →

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Mac Mavericks iBooks Primer Tutorial

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The iBooks application on Mac OS X Mavericks (10.9.1) is great for shopping for Books online. Please don’t get me wrong because there are loads of other big and good online (and offline “books and mortar”) bookshops out there, but … Continue reading →

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Mac Finder Tags in Mavericks Primer Tutorial

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The Finder application on Mac is a very valuable tool to learn to explore your hard disks and control your removable media. Recently a new version of Mac OS X (Mavericks or 10.9) introduced some new features for all those … Continue reading →

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