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20.4. Summary

This chapter shows the many ways you can customize RPM usage for your system or your own personal environment. You can define RPM macros, which is the preferred way to make RPM settings. Or you can set RPM values in the older rpmrc files, which are now mostly replaced by RPM macros.
Using popt, the powerful command-line option parser, you can define aliases to add simple options that popt expands into whatever you define. Many of the rpm command-line options are defined this way.