WebTerm is a browser-based terminal sandbox designed for learning CLI without fear, tailored for the AI era where CLI literacy is essential for both engineers and non-engineers. Many beginners hesitate to use local terminals due to fear of causing damage, but WebTerm solves this by offering an ephemeral, no-signup, free, and safe environment. It enables users to practice Linux commands, Git workflows, and CLI-based AI tools risk-free. Currently in beta, WebTerm welcomes feedback to enhance its user-friendly learning experience.