NPM

NodeJS package manager

W3 Schools, NodeJS.org
Usage: npm 

where  is one of:
    access, adduser, audit, bin, bugs, c, cache, ci, cit,
    clean-install, clean-install-test, completion, config,
    create, ddp, dedupe, deprecate, dist-tag, docs, doctor,
    edit, explore, fund, get, help, help-search, hook, i, init,
    install, install-ci-test, install-test, it, link, list, ln,
    login, logout, ls, org, outdated, owner, pack, ping, prefix,
    profile, prune, publish, rb, rebuild, repo, restart, root,
    run, run-script, s, se, search, set, shrinkwrap, star,
    stars, start, stop, t, team, test, token, 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:
    /Volumes/DATA/dgerman/.npmrc
or on the command line via: npm  --key value
Config info can be viewed via: npm help config

npm@6.14.4 /usr/local/lib/node_modules/npm