Window Manager
A window manager is a system software component that controls the placement and appearance of windows within a graphical user interface (GUI) on a computer screen. It handles window operations such as moving, resizing, minimizing, maximizing, and closing, and often includes features for managing multiple desktops or workspaces. Unlike a full desktop environment, a window manager focuses solely on window management without bundled applications like file managers or panels.
Developers should learn or use a window manager when working in Linux or Unix-like systems to optimize workflow efficiency, especially in development environments that require multitasking across multiple applications or terminals. It is particularly useful for system administrators, software engineers, and power users who prefer lightweight, customizable interfaces over resource-heavy desktop environments, enabling faster performance and tailored keyboard-driven navigation.