# boxdbox > Your computer, in a browser: a 3D retro office at https://boxdbox.com whose computer runs on a real Linux cloud machine on boxd (https://boxd.sh). ## What it is - A 3D office with a desk, an old CRT computer, framed photos and server racks. The CRT always shows the live desktop. - Sit down and you get a Windows XP–style desktop backed by a real boxd machine: Task Manager, Command Prompt and System Properties show its live CPU, memory and processes. - Visitors log on as Guest. No account is needed. ## The boxd agent A console window on the desktop ("boxd") with an AI agent that runs on its own boxd machine. It can: - make copies of the computer: each copy is a new real boxd machine, booted from a snapshot in about two seconds, at nest-xxxx.boxdbox.com - open a copy inside Internet Explorer on the desktop (an environment inside the environment) and dive into it - remove copies - inside a copy: save checkpoints (memory + disk) and rewind to them; each copy's note.txt is what visibly comes back It cannot run commands, read files or browse the web. ## Limits - Copies appear as servers in the room's racks; the racks hold 24 machines. - Copies can make copies up to three levels deep. Each level shows a LEVEL plaque and a spinning top on the desk. - Copies are removed automatically 15 minutes after they are made. ## Also on the desktop - Internet Explorer, MSN Messenger (a guestbook), Notepad (in copies). ## Links - Site: https://boxdbox.com - boxd: https://boxd.sh