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update-alternatives

A convenient tool for maintaining symbolic links to determine default commands.

More information.

• Add a symbolic link:

sudo update-alternatives --install {path/to/symlink} {command_name} {path/to/command_binary} {priority}

• Configure a symbolic link for `java`:

sudo update-alternatives --config {java}

• Remove a symbolic link:

sudo update-alternatives --remove {java} {/opt/java/jdk1.8.0_102/bin/java}

• Display information about a specified command:

update-alternatives --display {java}

• Display all commands and their current selection:

update-alternatives --get-selections

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This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).

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