:~$ mono
Usage is: mono [options] program [program-options]
Development:
--aot Compiles the assembly to native code
--debug Enable debugging support
--profile[=profiler] Runs in profiling mode with the specified profiler module
--trace[=EXPR] Enable tracing, use --help-trace for details
--help-devel Shows more options available to developers
Runtime:
--config FILE Loads FILE as the Mono config
--verbose, -v Increases the verbosity level
--help, -h Show usage information
--version, -V Show version information
--optimize=OPT Turns on or off a specific optimization
Use --list-opt to get a list of optimizations
--security Turns on the security manager (unsupported, default is off)