How to add `nofollow, noindex` all pages in robots.txt?

Question

I want to add nofollow and noindex to my site whilst it\'s being built. The client has request I use these rules.

I am aware of

Answer 1

noindex and nofollow means you do not want your site to crawl in search engine.

so simply put code in robots.txt User-agent: * Disallow: /

it means noindex and nofollow.