# `update-alternatives`

TODO

Intro

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1. [TL;DR](#tldr)
1. [Further readings](#further-readings)
   1. [Sources](#sources)

## TL;DR

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  <summary>Installation and configuration</summary>

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<details>
  <summary>Usage</summary>

```sh
# Get configured alternatives and their values.
update-alternatives --get-selections

# Show the full list of alternatives for commands.
update-alternatives --display 'java'

# *Interactively* change the default alternative for commands.
update-alternatives --config 'java'
update-alternatives --config --all
```

</details>

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<details>
  <summary>Real world use cases</summary>

```sh
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## Further readings

### Sources

- [`update-alternatives`: managing multiple versions of commands and files][update-alternatives: managing multiple versions of commands and files]

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[update-alternatives: managing multiple versions of commands and files]: https://documentation.suse.com/sles/15-SP5/html/SLES-all/cha-update-alternative.html