Send a request to the website "random.org" to generate one random string of length 20, with only lowercase letters, and no duplicates, in plain text format, using a new random seed, and then cut the first 20 characters of the response.
curl https://www.random.org/strings/?num=1\&len=20\&digits=off\&upperalpha=off\&loweralpha=on\&unique=on\&format=plain\&rnd=new | cut -c1-20