What type of jobs are there? Which types have you used?

In Jenkins, there are various types of jobs, including:

1. Freestyle job: This is the most common type of job in Jenkins, which allows users to define custom build steps and configure various options, including build triggers, SCM polling, and post-build actions.
2. Pipeline job: Pipeline job is a newer feature in Jenkins that allows users to define a pipeline of jobs that can be executed in a specific order. The pipeline can be defined using a Jenkinsfile, which provides a script-like syntax for defining the pipeline stages, steps, and conditions.
3. Multi-configuration job: This type of job allows users to execute the same job with multiple configurations, such as different operating systems, browsers, or devices. Jenkins will execute the job for each configuration specified, providing a matrix of results.
4. Maven job: This type of job is specifically designed for building Java applications using the Maven build tool. Jenkins will execute the Maven build process, including compiling, testing, and packaging the application.
5. Parameterized job: This type of job allows users to define parameters that can be passed into the build process at runtime. Parameters can be used to customize the build process, such as specifying the version number or target environment.