List Of Commonly Used Angular Commands

1) To get the npm version, 

•  npm -v

2) To get the node version, 

•  node -v

3) To get the Angular version, 

•  ng v 

4) To get the Jasmine version, 

•  jasmine -v 

5) To get the Karma version, 

•  karma --version 

6) To install Angular CLI, 

•  npm install @angular/cli -g 
•  npm install @angular/cli

7) To install the next version of Angular CLI,v 

•  npm install @angular/cli@next 

8) To get help in the terminal, 

•  ng help

9) To create a new project in Angular, 

•  ng new project-name 

10) To skip external dependencies while creating a new project, 

•  ng new project-name --skip-install 

11) To run the Angular project, 

•  ng serve (or) npm start (or) ng serve --force 

12) Dry Run, 

•  ng new project-name --dry-run

13) To create a new component in the Angular Project, 

•  ng generate component component-name
•  ng g c component-name

14) To avoid creating a new folder while creating a new component, 

•  ng generate component component-name --flat

15) To create a build, 

•  ng build

16) To create a build for a specific environment, 

•  ng build --prod

17) To run test cases, 

•  ng test

18) To run the end-to-end test, 

•  ng e2e

19) For Angular Documentation, 

•  ng doc

20) To change the angular-cli.json config file, 

•  ng set

21) To create a directive in Angular, 

•  ng generate directive directive-name 
•  ng g d directive-name JavaScript 

22) To create a service in Angular, 

•  ng generate service service-name 
•  ng g s service-name

23) To create a class, 

•  ng generate class class-name 
•  ng g cl class-name

24) To create an interface, 

•  ng generate interface interface-name 
•  ng g i interface-name

25) To create a pipe, 

•  ng generate pipe pipe-name 
•  ng g p pipe-name

26) To create enum, 

•  ng generate enum enum-name 
•  ng g e enum-name

27) To create a module, 

•  ng generate module module-name 
•  ng g m module-name 

28) To create a spec file for the module, 

•  ng g m module-name --spec true -d 

29) To create a module with routing, 

•  ng g m module-name --routing 

30) To create a guard to the route, 

•  ng g guard guard-name 

31) To remove node_modules, 

•  rm -rf node_modules JavaScript 

32) To uninstall Angular CLI, 

•  npm uninstall --save-dev @angular/cli 
•  npm uninstall -g angular-cli @angular/cli 

33) To install the latest version of Angular CLI, 

•  npm install --save-dev @angular/cli@latest 

34) To update Angular CLI, 

•  ng update @angular/cli ng update @angular/core 

35) To clean cache,

•  npm cache clean

36) To install TypeScript latest version, 

•  npm install -g typescript@latest 

37) To install Jasmine/Karma latest version, 

•  npm install -g karma-jasmine@latest

38) To install TypeScript specific version, 

•  npm install typescript@version-number 

39) To install Jasmine specific version, 

•  npm install -g jasmine@version-number

40) To install Karma specific version, 

 npm install -g karma@version-number 

 To update Angular versions.

 Steps to update particular Angular version on the current project, Execute these commands.

•  ng update @angular/core@8 @angular/cli@8 --allow-dirty 
•  npm install 
•  git commit -a -m "Upgrade to the latest version of Angular 8" 
•  ng update @angular/core @angular/cli --next 
•  {ng update @angular/core@9 @angular/cli@9 --allow-dirty} 
•  npm install 
•  git commit -a -m "Upgrade to Angular 9" 
•  ng update @angular/material --next --force 
•  npm i @angular/flex-layout@9.0.0-beta.29 

Reference - https://update.angular.io/ 

Steps to update the latest Angular version, 

• npm uninstall -g @angular-cli 
• npm cache clean 
• rm -rf node_modules 
• npm install 
• npm install -g @angular/cli@latest 
• ng update @angular/cli @angular/core 
• ng update --all --force 
• npm install --save @angular/animations@latest @angular/cdk@latest @angular/common@latest @angular/compiler@latest @angular/core@latest @angular/flex-layout@latest @angular/forms@latest @angular/http@latest @angular/material@latest @angular/platform-browser@latest @angular/platform-browser-dynamic@latest @angular/router@latest core-js@latest zone.js@latest rxjs@latest rxjs-compat@latest 
• npm install --save-dev @angular-devkit/build-angular@latest @angular/compiler-cli@latest @angular/language-service @types/jasmine@latest @types/node@latest codelyzer@latest karma@latest karma-chrome-launcher@latest karma-cli@latest karma-jasmine@latest karma-jasmine-html-reporter@latest jasmine-core@latest jasmine-spec-reporter@latest protractor@latest tslint@latest rxjs-tslint@latest webpack@latest 

Refer Angular Guide - https://update.angular.io/