$ node --help
Usage: node [options] [ -e script | script.js ] [arguments]
       node debug script.js [arguments]

Options:
  -v, --version         print Node.js version
  -e, --eval script     evaluate script
  -p, --print           evaluate script and print result
  -c, --check           syntax check script without executing
  -i, --interactive     always enter the REPL even if stdin
                        does not appear to be a terminal
  -r, --require         module to preload (option can be repeated)
  --no-deprecation      silence deprecation warnings
  --throw-deprecation   throw an exception anytime a deprecated function is used
  --trace-deprecation   show stack traces on deprecations
  --trace-sync-io       show stack trace when use of sync IO
                        is detected after the first tick
  --track-heap-objects  track heap object allocations for heap snapshots
  --v8-options          print v8 command line options
  --tls-cipher-list=val use an alternative default TLS cipher list
  --icu-data-dir=dir    set ICU data load path to dir
                        (overrides NODE_ICU_DATA)

Environment variables:
NODE_PATH               ';'-separated list of directories
                        prefixed to the module search path.
NODE_DISABLE_COLORS     set to 1 to disable colors in the REPL
NODE_ICU_DATA           data path for ICU (Intl object) data
NODE_REPL_HISTORY       path to the persistent REPL history file

Documentation can be found at https://nodejs.org/

$ npm

Usage: npm <command>

where <command> is one of:
    access, add-user, adduser, apihelp, author, bin, bugs, c,
    cache, completion, config, ddp, dedupe, deprecate, dist-tag,
    dist-tags, docs, edit, explore, faq, find, find-dupes, get,
    help, help-search, home, i, info, init, install, issues, la,
    link, list, ll, ln, login, logout, ls, outdated, owner,
    pack, ping, prefix, prune, publish, r, rb, rebuild, remove,
    repo, restart, rm, root, run-script, s, se, search, set,
    show, shrinkwrap, star, stars, start, stop, t, tag, team,
    test, tst, un, uninstall, unlink, unpublish, unstar, up,
    update, upgrade, v, verison, version, view, whoami

npm <cmd> -h     quick help on <cmd>
npm -l           display full usage info
npm faq          commonly asked questions
npm help <term>  search for help on <term>
npm help npm     involved overview

Specify configs in the ini-formatted file:
    C:\Users\ryufran\.npmrc
or on the command line via: npm <command> --key value
Config info can be viewed via: npm help config

npm@3.3.6 C:\Program Files\nodejs\node_modules\npm

$ node -e "console.log('hello node')"
hello node