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<pre><code class="language-bash">update-alternatives --get-selections
uic    auto    /usr/bin/uic-qt3

update-alternatives --list uic
/usr/bin/uic-qt3

update-alternatives --display uic
/usr/bin/uic-qt3

uic=$(sed -ne 2p /var/lib/dpkg/alternatives/uic | tee /dev/stdout)
/usr/bin/uic

sudo update-alternatives --install $link $name $path $prio
sudo update-alternatives --install /usr/bin/uic uic /usr/bin/uic-qt3-foo 100
# Let gcc-9.1.0 take precedence over gcc-6 ...
sudo update-alternatives --install /usr/bin/gcc gcc /usr/local/bin/gcc-9.1.0 100
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 40

update-alternatives --list uic
/usr/bin/uic-qt3
/usr/bin/uic-qt3-foo

sudo update-alternatives --set uic /usr/bin/uic-qt3-foo
## OR:
sudo update-alternatives --config uic

update-alternatives --display uic
uic - manual mode
 link currently points to /usr/bin/uic-qt3-foo
/usr/bin/uic-qt3 - priority 45
 slave uic.1.gz: /usr/share/man/man1/uic-qt3.1.gz
/usr/bin/uic-qt3-foo - priority 100
Current `best' version is /usr/bin/uic-qt3-foo.</code></pre>

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