ilasm --version (return code: 0)
Mono ILasm compiler version 4.2.1.0
ilasm -HELP (return code: 1)
Mono ILasm compiler
ilasm [options] source-files
--about About the Mono ILasm compiler
--version Print the version number of the Mono ILasm compiler
/output:file_name Specifies output file.
/exe Compile to executable.
/dll Compile to library.
/debug Include debug information.
/key:keyfile Strongname using the specified key file
/key:@container Strongname using the specified key container
Options can be of the form -option or /option