# Creating a `sum.ini` file

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You can create the `sum.ini` file before you launch SUM and assign the parameters you want to use. Use a text editor to create the file, and save it in your chosen directory.

Procedure

1. Open a text editor and create a document.
2. Populate the document with the parameters you want SUM to use.
3. Optional: Override the SUM RPM (Linux-only) default temp directory by creating `/opt/sum/bin/sum.ini`.