# Frequently asked questions

> Concise answers about creating, reaching, sharing, and deleting a computer.

## Which computers appear in the gallery?

Computers their owners have made public through Cool Computers. Private computers are never listed.

## What remains between sessions?

Its complete writable disk, including code, packages, configuration, databases, and local state.

## Do I need to prepare a computer before returning?

No. Reconnect directly, or visit `name.cool.computer` to reach its configured service.

## Does its public address change?

No. The computer keeps the same `name.cool.computer` address for its lifetime.

## Can I remove a computer completely?

Yes. Deleting a computer removes it from your account and from the public gallery.