systemctl manages systemd (init/system manager) units: services, sockets, timers, targets, mounts. Use it to start/stop services, enable them at boot, inspect status, and control units.

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chmod changes file or directory permission bits in Unix-like systems (read, write, execute for owner, group, others).

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curl is a command-line tool for transferring data with URLs using many protocols (HTTP, HTTPS, FTP, SFTP, etc.). It’s designed for flexible HTTP interactions (requests, headers, methods, authentication, forms, uploads, downloads) and scripting.

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wget is a command-line tool to download files from the web using HTTP, HTTPS, and FTP. It works non-interactively (can run in background), supports recursion, resuming, and rate-limiting.

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KDE Connect is a multi-platform application developed by KDE, which facilitates wireless communications and data transfer between devices over local networks.

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Debian, one of the oldest and most respected Linux distributions, is renowned for its stability, security, and robust package management system. Managing Debian packages effectively is crucial for maintaining a healthy and well-functioning Linux system.

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The installation process of any software in Linux is totally different from Windows. In Linux, the software is installed via repositories. Let us discuss some methods to add repositories to Ubuntu/Debian-based Linux.

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Most Linux distributions have a graphical user interface that allows you to open programs by just clicking on the program’s icon in the Apps menu. However, there are situations where you may want to run a program from the Terminal. The Terminal is a powerful tool that allows you to run programs and manage your Linux system using keyboard.

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