Segue o resultado da tela:
Your environment has been set up for using Node.js 6.11.3 (x64) and npm.
C:\Users\joarl>npm rum serve
Usage: npm
where is one of: access, adduser, bin, bugs, c, cache, completion, config, ddp, dedupe, deprecate, dist-tag, docs, edit, explore, get, help, help-search, i, init, install, install-test, it, link, list, ln, login, logout, ls, outdated, owner, pack, ping, prefix, prune, publish, rb, rebuild, repo, restart, root, run, run-script, s, se, search, set, shrinkwrap, star, stars, start, stop, t, tag, team, test, tst, un, uninstall, unpublish, unstar, up, update, v, version, view, whoami
npm -h quick help on npm -l display full usage info npm help search for help on npm help npm involved overview
Specify configs in the ini-formatted file: C:\Users\joarl.npmrc or on the command line via: npm --key value Config info can be viewed via: npm help config
npm@3.10.10 C:\Program Files\nodejs\node_modules\npm
C:\Users\joarl>npm install npm WARN enoent ENOENT: no such file or directory, open 'C:\Users\joarl\package.json' npm WARN joarl No description npm WARN joarl No repository field. npm WARN joarl No README data npm WARN joarl No license field.
