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# 4. Run LAMMPS

These pages explain how to run LAMMPS once you have installed an executable or downloaded the source code and built an executable. The Commands doc page describes how input scripts are structured and the commands they can contain.

- 4.1. Basics of running LAMMPS
- 4.2. Command-line options
- 4.3. Screen and logfile output
- 4.4. Error message output
- 4.5. File formats used by LAMMPS
- 4.6. Running LAMMPS on Windows