Скачать или смотреть HOW TO PIN AND UNPIN IPFS FILES ON LOCAL NODE

To ensure that data persists on IPFS, and is not deleted during garbage collection, data can be pinned to one or more IPFS nodes. Pinning gives you control over disk space and data retention. As such, you should use that control to pin any content you wish to keep on IPFS indefinitely. The default behavior for IPFS is to pin files to your local IPFS node.

https://ipfs.io

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