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update-alternatives: add page

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Max Xu 2017-10-13 15:42:02 +08:00 • committed by GitHub
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# update-alternatives
> A convenient tool for maintaining symbolic links determining default commands.
- Add a symbolic link:
`sudo update-alternatives --install /usr/bin/java java /opt/java/jdk1.8.0_102/bin/java 300`
- Config a symbolic link:
`sudo update-alternatives --config java`
- Remove a symbolic link:
`sudo update-alternatives --remove java /usr/bin/java`
- Display information about the link group:
`update-alternatives --display java`