# Filesystem (/docs/filesystem)

<!-- agent-signals: reading_time_min: 1 · est_tokens: 136 · updated: 2026-07-30 -->
Related: [API key](/docs/api-key.md), [Billing & limits](/docs/billing.md), [E2B CLI](/docs/cli.md), [Running commands in sandbox](/docs/commands.md), [Cookbook](/docs/cookbook.md), [Overview](/docs/mcp.md)

Each E2B Sandbox has its own isolated filesystem. The [Hobby tier](https://e2b.dev/pricing) sandboxes come with 10 GB of the free disk space and [Pro tier](https://e2b.dev/pricing) sandboxes come with 20 GB.

With E2B SDK you can:

* [Read and write files to the sandbox.](/docs/filesystem/read-write)
* [Attach custom metadata to files.](/docs/filesystem/metadata)
* [Watch directory for changes.](/docs/filesystem/watch)
* [Upload data to the sandbox.](/docs/filesystem/upload)
* [Download data from the sandbox.](/docs/filesystem/download)