Quality Privacy-aware (no unconfirmed user data collection) POSIX-compliant, follows Linux kernel coding style Highly optimized, static analysis integrated code Frugal Typically needs less than 3.5MB resident memory Works with 8 colors (and xterm 256 colors) Disk-IO sensitive (few disk reads and writes) No FPU usage (all integer maths, even for file size) Minimizes screen refresh with fast line re