Unix/Linux CLI Commands vs Classic BASIC

Unix/Linux CLI Commands is a clean, fast reference for the Unix and Linux command line — and a safe place to practice what you learn. Whether you're a student, a developer, or a system administrator brushing up, every command is explained in plain language with real examples you can try right away. BROWSE BY CATEGORY Commands are grouped into clear categories — file management, searching, text processing, networking & communication, storage, system status and more — so you can find what you need fast or explore a topic from the ground up. LEARN WHAT EACH COMMAND DOES Each entry gives you the command, its full name, a short description of what it does, and practical examples. No fluff, no wall of man-page text — just what you need to understand and use it. PRACTICE IN A SAFE TERMINAL Reading is one thing; doing is another. The built-in terminal is a real, in-memory shell where you can actually run commands — ls, cd, pwd, mkdir, cat, echo, file, find and more — against a virtual filesystem stocked with sample files and folders. Nothing touches your real device, so you can experiment freely and break things without worry. READABLE, YOUR WAY Pick the reading font and size that suit you, and choose Light, Dark, or System appearance. Designed to look right on both iPhone and iPad. A handy companion for anyone learning the shell or keeping the essentials close at hand.

Classic BASIC is a retro-inspired BASIC programming environment designed for modern devices. Write line-numbered BASIC programs, run them instantly, save your work, load built-in examples, explore graphics commands, and learn programming with the included guidebook. Classic BASIC preserves the familiar feel of classic home computers while providing a clean, touch-friendly experience for today's users. Features include: • Traditional line-numbered BASIC programming • Built-in program catalog • Classic commands such as LIST, RUN, SAVE, LOAD, NEW, and CATALOG • Graphics commands for drawing lines, circles, boxes, and screen output • Built-in games including Block Drop and Astro Blaster • Touch game keyboard support for interactive games • External keyboard support with ESC and CTRL+C break commands • Display modes including Green, Amber, and DOS-style color • Built-in programming guide • File support for saving and loading your own programs Classic BASIC is designed for beginners, hobbyists, retro-computing enthusiasts, students, and anyone who wants a simple programming environment that feels immediate, approachable, and fun. Type a line. Run it. Change it. Learn by doing.