test tutorials

##  Serverless functions

Serverless functions are part of an evolution in cloud computing that has
helped free organizations from many of the constraints of managing
infrastructure and resources.

[ Learn about Serverless Functions  ](/learn/technical-articles/serverless-
functions)

##  What is a blockchain?

In broad terms, a blockchain is an immutable transaction ledger, maintained
within a distributed peer-to-peer (p2p) network of nodes. In essence,
blockchains serve as a decentralized way to store information.

[ Read about Permissioned Blockchain  ](/learn/technical-
articles/permissioned-blockchain)

##  OCI CLI

The CLI is a small-footprint tool that you can use on its own or with the
Console to complete Oracle Cloud Infrastructure tasks. The CLI provides the
same core functionality as the Console, plus additional commands.

[ See Reference Page  ](/learn/technical-articles/oci-cli)

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Why Oracle

  * [ Open Source at Oracle ](/open-source.html)
  * [ Security Practices ](https://www.oracle.com/corporate/security-practices/)
  * [ Diversity and Inclusion ](https://www.oracle.com/corporate/careers/diversity-inclusion/)
  * [ Corporate Responsibility ](https://www.oracle.com/corporate/citizenship/)
  * [ Cloud Economics ](https://www.oracle.com/cloud/economics/)
  * [ Oracle vs AWS ](https://www.oracle.com/cloud/service-comparison/)
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Learn

  * [ What is DevOps? ](/learn/technical-articles/what-is-devops)
  * [ What is Low Code? ](/learn/technical-articles/what-is-lowcode)
  * [ What is Docker? ](/learn/technical-articles/what-is-docker)
  * [ What is Kubernetes? ](/learn/technical-articles/what-is-kubernetes)
  * [ What is Python? ](/learn/technical-articles/what-is-python)
  * [ What Is Infrastructure As Code? ](/learn/technical-articles/what-is-iac)
  * [ What is Ruby? ](/learn/technical-articles/what-is-ruby)

Resources

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