Posts by Pratham Mahajan

Short Answer To check RAM usage in Linux, use the following command: free -h It shows total, used, and available memory in a human-readable format. You can also use: top…

Understanding User Management in Linux Every user in Linux has: A username A UID (User ID) A home directory (e.g., /home/username) A set of permissions and ownerships Sometimes, you might…

Understanding Folder Renaming in Linux In Linux, there’s no separate “rename” command.Instead, Linux uses the mv (move) command to rename both files and directories. That’s because, technically, renaming a folder…

What Is an RPM File? An RPM file stands for Red Hat Package Manager — it’s a package format used by Red Hat-based Linux distributions like: RHEL (Red Hat Enterprise…

What Does “Memory” Mean in Linux? In Linux, memory usually refers to RAM (Random Access Memory) the temporary working space your system uses to store data and run applications. When…

What Is a Kernel in Linux? Before checking your kernel version, it helps to know what a kernel actually is. The Linux kernel is the core part of your operating…

Your hostname is basically your computer’s identity on a network.It’s how other systems recognize your machine especially useful when managing servers, connecting through SSH, or organizing multiple devices. If you’ve…