Repositories
Linux distributions commonly provide software through curated package repositories. A package manager can discover what is available from a configured catalog.
Browser-only educational simulation
Everything in the terminal is controlled virtual state in this page. Commands never execute on your computer: there is no real sudo access, shell, filesystem access, package installation, Debian mirror request, telemetry, or server-side backend.
Why package managers matter
Dependencies
Debian’s apt workflow resolves the packages needed by a program, rather than asking visitors to locate every component manually.
Free software, specific terms
Free/open-source software can be redistributed under its own licenses. Availability in Debian alone is not a blanket permission to repackage any software or media.
Real local game, simulated package manager
The primary mission installs nebustrike, an original Computer Museum browser game. The terminal, package manager, and filesystem are simulated virtual browser state; the game itself is real client-side Canvas and Web Audio code. NEBU STRIKE is an original Computer Museum browser game, created for this exhibit; its graphics, gameplay implementation, and procedural audio/music are locally generated/original. No proprietary game ROMs or commercial game assets are included. It requires no backend, external network request, or external game asset.