capture

`evtest` is a command-line utility in Linux that captures input from devices like keyboards, bypassing graphical environments such as X11 or Wayland. It operates directly with `/dev/input` directory, allowing it to work without a GUI. Installation is straightforward via package repositories, and use requires listing devices and running `evtest` with a device path. It's highly useful for diagnostics and debugging in Linux, offering real-time feedback and a way to monitor raw keyboard inputs efficiently.

The article provides a thorough guide on the `tee` command in Unix-like systems, explaining its basic syntax, operations for duplicating output to the terminal and files, and its common uses like logging and debugging. It also covers practical examples and advanced options like appending to files and handling permissions with sudo, making it valuable for both novice and advanced users.