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Device Drivers, Part 9: I/O Control in Linux

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This article, which is part of the series on Linux device drivers, talks about the typical ioctl() implementation and usage in Linux. "Get me a...

Sed Explained, Part 1

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UNIX-like operating systems have numerous powerful utilities accessible via the command-line and shell-scripting, which are flexible enough to operate in a variety of problematic...

Plotting is Fun with GNUPlot

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This article explores the use of GNUPlot for scientific plotting, along with examples. While strings and pages of data seem cryptic, a plot reveals the...

Cryptography and Steganography with Python

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Steganography and cryptography have been widely used to hide sensitive information. This article offers a brief introduction to how both these methods can be...