Solve : adding new user account?

1.	Solve : adding new user account?
Answer» When I wrote down in terminal "useradd abcd -p pass" it showed me the message which read "useradd: cannot lock /etc/passwd; try again later". So please suggest me any solution with a little bit of explanation if possible as I am quite NEW to linux.Tons of info on GOOGLE... here is a LINK I pulled out from search. http://www.thegeekstuff.com/2009/06/useradd-adduser-newuser-how-to-create-linux-users/Would help if OP would say which version of Linux. Also, is he using BASH at the terminal? Is he adding a new user or change a password? Does he wan to change is password or somebody ease's? make sure you are logged in as root or a sudoer. type the command adduser "name" (no quotes) than type passwd "password" (no quotes)

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