Opening LibreOffice Calc or Excel to check if a CSV has 500 rows or 5,000? To verify low stock items? To spot pricing errors? There's a faster way that works on any Linux server or terminal. This ...

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ℹ️ ℹ️ This chapter has been converted into a better formatted ebook: https://learnbyexample.github.io/learn_gnuawk/. The ebook also has content updated for ...

Each installed Linux kernel occupies a significant amount of disk space. Over time, as you update your kernel to newer versions, older kernels can accumulate on your system, taking up valuable disk ...

To make the best use of the ss command, it’s important to understand what a socket is. A socket is a type of pseudo file (i.e., not an actual file) that represents a network connection. A socket ...

Kali Linux is a favored operating system for solving day-to-day issues and security assignments, not just for hacking. It comes with over 300 penetration-testing programs preinstalled, including tools ...

Become a more effective SEO by learning how to leverage the command line to improve your workflows with shortcuts and automations. Although not an essential skill, the proliferation of coding in SEO ...

This is a set of command line utilities for manipulating large tabular data files. Files of numeric and text data commonly found in machine learning and data mining environments. Filtering, sampling, ...