"ASCII" tag
Input/Output

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

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 laptop, and tell me about the x86 hardware…

Sed Explained

Sed Explained, Part 1

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 domains. Text processing is one of these. Among the…

3D plot in colour

Plotting is Fun with GNUPlot

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 entire data flow at a glance. Interpretation suddenly…

Cryptography and Steganography with Python

Cryptography and Steganography with Python

Steganography and cryptography have been widely used to hide sensitive information. This article offers a brief introduction to how both these methods can be used together. The implementation uses Python with the Stepic…

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