Linux commands – brygger.dk

Understanding Your System’s Memory with the Linux free Command

Have you ever wondered how much RAM your Linux system is actually using? Or perhaps how much is free and available for new applications? The free command is your go-to utility for getting a quick and clear snapshot of your system’s memory usage. It’s an essential tool for system administrators, developers, and even curious home users alike.

Level Up Your Terminal: A Guide to Customizing Your Bash Prompt

Your terminal is your command center, and the default bash prompt can be, well, a bit bland. But fear not! Customizing your bash prompt is easier than you think, and it can dramatically improve your workflow and make your terminal a much more pleasant place to be.

Peeling Back the Layers: Understanding Linux’s File System

Imagine a vast, well-organized library. That’s essentially what the Linux file system is. Unlike operating systems that might divide storage into drives with letters (like C: or D:), Linux employs a single, hierarchical structure starting from a single root directory, represented by /. Everything else branches out from this central point, creating a unified and logical way to access all your files and system resources.

Diving Deep into top: Your Real-Time System Performance Dashboard

Ever wondered what’s really going on inside your Linux or macOS system at any given moment? Which processes are hogging your CPU? How much memory is being used? That’s where the venerable top command comes in. It’s a powerful, real-time system monitor that provides a dynamic view of running processes, system resources, and overall system performance. For system administrators, developers, and even curious users, top is an indispensable tool in the arsenal.

Locking Down Your Linux: A Look at the passwd Command

In the world of Linux, where security is paramount, the passwd command stands as a fundamental gatekeeper. It’s the utility that allows users to manage their passwords, ensuring that access to the system remains protected. While seemingly straightforward, passwd has a rich history and offers more functionality than meets the eye.