March 3, 2026

Nano, the minimalist editor for quick and lightweight editing

1. Why Nano?

Nano is a command line text editor, known for being one of the simplest and most intuitive available in the GNU/Linux world.

It is found in most Linux distributions and is a tool that anyone can use “at first glance.”

February 25, 2026

Prolog: between logic and programming language

1. Introduction

Created in the 1970s for natural language processing and artificial intelligence, Prolog (short for “Programmation en Logique”) is a somewhat unusual programming language.

Prolog’s “logic” focuses on defining relationships and facts rather than sequential instructions.

The language is based on three fundamental pillars:

February 16, 2026

Vim... beyond Vim

1. Vim in five minutes

Vim is not just a text editor, it is an editing language that allows you to interact with text through logical key combinations.

The basis of Vim’s “language” is the “modal” system.

January 31, 2026

Personal observations on Robocopy, Rsync, and Rclone

1. Introduction

Robocopy: The “Robust File Copy” is a built-in powerhouse for Windows users. It’s the native way to handle massive local transfers or network shares (SMB) while perfectly preserving NTFS permissions.
Rsync: The de facto standard for the Unix world (Linux and macOS). It’s famous for its efficiency—instead of re-copying everything, it only syncs the specific parts of a file that have changed.

January 24, 2026

Comments on the APPLICATION BAR and KEYBOARD SHORTCUTS in WINDOWS and GNU/LINUX.

1. Introduction

In modern desktop environments, from Windows to mainstream GNU/Linux distributions, Alt+Tab remains the go-to shortcut for window switching.

January 8, 2026

Two open source tools for editing PDF documents: GUI versus CLI.

1. Introduction

The “PDF” is the essentially static document format par excellence.

However, even PDF documents can be modified, especially with operations such as deleting, adding, reversing pages, inserting text, and more.

There are various applications, including free ones, for performing these operations.

In this article, I will report some parallel observations between two systems for page manipulation: one graphical, PDF Arranger, and one command line, PDFtk.