Configuring a freestyle job
Notice that the build job configuration has multiple tabs. You can either scroll to each section in the tab or you can click the tabs themselves. Each tab has different functionality that you can configure in your Jenkins build job.
General
The General
tab has basic information about the Jenkins build you are creating, such as a description and other general build information. Look at the General
tab information:

It is generally up to you which options you want to toggle on; you can click on the question mark symbol to get information. Let's look at what is meant by the Quiet period
option:

To remove the detailed information, just click the question mark symbol again.
Source Code Management
The Source Code Management
tab is where you specify the type of version control management system you are using, such as Git, SVN, and Mercurial. For the purposes of a build job, we will click on the Git
radio button and specify a GitHub repository URL:

Notice that the Branch Specifier...