On Thu, 2010-12-02 at 18:10 +0100, Joachim Backes wrote: > Can somebody explain why pure numbers are allowed for username in the > useradd command? > > sudo useradd 123456789 > > is not rejected! > > As is known, this leads to big problems if referring to such a user and > the username differs from the userid: should such a username be > interpreted as username or userid? > > Thanks for each comment. > > Kind regards > As you said using a pure number for userid can be diasterous But you question needs to be answered by the creator of useradd. I once created a useradd program with added functionality and I know from first hand experience that are many pitfalls to get it to work properly. Consider what happens if you have a userid that is the same number as a userid. -- ======================================================================= meetings, n.: A place where minutes are kept and hours are lost. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
