iTerm2 is a replacement for the default Terminal application on macOS. It's designed to be more powerful, feature-rich, and user-friendly, catering to developers, system administrators, and power users who spend a lot of time in the command line.

The core purpose of iTerm2 is to enhance the command-line experience on macOS by offering a more intuitive and efficient way to interact with your system. It provides advanced features that streamline workflows, improve productivity, and allow for greater customization compared to the built-in Terminal.

Whether you're managing servers, developing software, or simply prefer the power of the command line, iTerm2 aims to be your go-to terminal emulator, offering a robust and adaptable platform for all your command-line tasks.