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 )

iPad Primer Tutorial

Some people like to know as much about a new idea before they try something, as they can. If this is you, and you are curious about iPad tablets (by Apple), but not sure what they are like, you might … Continue reading →

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PHP/HTML/Javascript Password Protect Image Primer Tutorial

So you’ve seen the title of this blog post, but supposing you were to forget that, and link the concepts below … what would you have thought it was about? HTML/Javascript onerror event for img tag (Image) file permissions at … Continue reading →

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C String Function Timings Primer Tutorial

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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Windows Multitasking Tip Primer Tutorial

A lot of Windows desktop processing tasks require you to do more than one thing at a time (calling all afficianados of multitasking). Windows (from Microsoft) caters well for people who multitask, and there is a cute keyboard shortcut for … Continue reading →

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Linux Diskutil Primer Tutorial

Linux (or Unix) is an operating system whose very essence revolves around files. Files are stored on Disks and Volumes and you see this in play when we analyze the diskutil command that we access in a Linux environment on … Continue reading →

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Data Security via Cryptography Primer Tutorial

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

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

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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