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This article shows you how to check whether a software package has been installed under Linux, the content is concise and easy to understand, it will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

1. If the rpm package is installed, you can see it with rpm-qa. If you want to find out whether a software package is installed, use rpm-qa | grep "the name of the software or package".

2. Install with deb package, which can be seen with dpkg-l. If you are looking for the specified package, use dpkg-l | grep "the name of the software or package"

3. If installed by yum method, you can use yum list installed to find it. If you are looking for a specified package, use yum list installed | grep "software name or package name".

The above is how to check whether a software package has been installed under Linux. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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