When creating a new user in linux, after entering the name, the username box: ?

Aprovides legal protection for something an individual has created

Write a program which asks you to enter a name in the form of first middle initial last. so you might enter for example samuel p. clemens. use getline to read in the string because it contains spaces. also, apparently the shift key on your keyboard doesn’t work, because you enter it all lower case. pass the string to a function which uses .find to locate the letters which need to be upper case and use toupper to convert those characters to uppercase. the revised string should then be returned to main in the form last, first mi where it will be displayed.

In the context of an internet connection, llc stands for leased line connection liability limited company local loop complex local loop carrier