# nginx > Nginx web server. > More information: . - Start server with the default configuration file: `nginx` - Start server with a custom configuration file: `nginx -c {{configuration_file}}` - Start server with a prefix for all relative paths in the configuration file: `nginx -c {{configuration_file}} -p {{prefix/for/relative/paths}}` - Test the configuration without affecting the running server: `nginx -t` - Reload the configuration by sending a signal with no downtime: `nginx -s reload`