# 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`