Ниже приведен список команд NPM, которые я часто использую:

.------------------------------.---------------------------------.
|             Name             |             Command             |
:------------------------------+---------------------------------:
| Initiate Project             |  npm init                       |
:------------------------------+---------------------------------:
| Initiate with default values |  npm init -y                    |
:------------------------------+---------------------------------:
| Save Dev dependency          |  npm install -D                 |
:------------------------------+---------------------------------:
| Save dependency              |  npm install -S                 |
:------------------------------+---------------------------------:
| Global                       |  npm install -g                 |
:------------------------------+---------------------------------:
| List outdated packages       |  npm outdated                   |
:------------------------------+---------------------------------:
| Clean install                |  rm -rf node_modules            |
|                              |  npm install                    |
|                              |                                 |
|                              |  Windows: npm i rimraf -g       |
|                              |           rimraf node_modules   |
:------------------------------+---------------------------------:
| Clean extraneous node_modules|  npm prune                      |
:------------------------------+---------------------------------:
| Check Version                |  npm show <PackageName> version |
:------------------------------+---------------------------------:
| Read me/documentation        |  npm docs                       |
| of package                   |                                 |
:------------------------------+---------------------------------:
| Uninstall package            |  npm uninstall                  |
:------------------------------+---------------------------------:
| See dependency tree          |  npm install --dry-run          |
:------------------------------+---------------------------------:
| Run security audit(npm > 6)  |  npm audit                      |
:------------------------------+---------------------------------:
| Fix security audit(npm > 6.1)|  npm audit fix                  |
:------------------------------+---------------------------------:
| Execute Tests                |  npm t or npm run test          |
:------------------------------+---------------------------------:
| Lock down the                |                                 |
| dependency version           |  npm shrinkwrap                 |
'------------------------------'---------------------------------'

Использование большинства команд в форме с опцией -g flag для глобальной установки:

npm <CommandName> <PackageName>