Usage: render [options] filename
where "filename" is a Maya ASCII or a Maya binary file.
Common options:
-help Print help
-test Print Mel commands but do not execute them
-verb Print Mel commands before they are executed
-keepMel Keep the temporary Mel file -listRenderers List all available renderers
-renderer string Use this specific renderer
-r string Same as -renderer
-proj string Use this Maya project to load the file
-log string Save output into the given file