# Commands by category This page lists most of the LAMMPS commands, grouped by category. The [General commands](Commands_all) page lists all general commands alphabetically. Style options for entries like fix, compute, pair etc. have their own pages where they are listed alphabetically. ## Initialization: ## Setup simulation box: ## Setup atoms: ## Force fields: ## Settings: ## Operations within timestepping (fixes) and diagnostics (computes): ## Output: ## Actions: ## Input script control: