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Subsection 3.1.2 Up Section 3.1: Free Format Overview Subsubsection 3.1.3.1: Include Keyword

### 3.1.3 Multiple Input Files

FEBio supports distributing the model definition across multiple input files. This can greatly facilitate defining large, complex models and allows the re-use of model input files without the need to create the entire model input file from scratch. When using multiple input files to define a model, you must create a control input file that may reference other input files. This control file will be used to run the model in FEBio. There are two ways of including a file into the control file: The Include section, and the from attribute.
Subsection 3.1.2 Up Section 3.1: Free Format Overview Subsubsection 3.1.3.1: Include Keyword