---
title: "Clone — Database Glossary | Xata"
description: "A writable copy of a filesystem, volume, or dataset created from a snapshot. Clones share all data blocks with the source snapshot until modified. In ZF..."
source: "https://xata.io/glossary/clone"
---

# Clone

Branching & CoW

A writable copy of a filesystem, volume, or dataset created from a snapshot. Clones share all data blocks with the source snapshot until modified. In ZFS: zfs clone snapshot@name clone/name.

Related terms

[Snapshot](/glossary/snapshot)Copy-on-Write

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