To display NMAKE help, type nmake /? at the prompt. The appropriate copyright statement appears, along with the following:
Usage:
NMAKE @commandfile
NMAKE /help
NMAKE [/nologo] [/acdeinpqrst?] [/f makefile] [/x stderrfile]
[macrodefs][targets]
What the options stand for /a Force all targets to be built /c Cryptic mode; suppress sign-on banner & warning messages /d Display modification dates /e Environment variables override macros in the makefile /i Ignore exit codes of commands invoked /n No execute mode; display commands only /p Print macro definitions & target descriptions /q Query if target is up to date; for use in batch files /r Inference Rules from 'TOOLS.INI' to be ignored /s Silent execution of commands /t Touch targets with current date & time /? Help message /help Help message /nologo Do not display sign-on banner