At least the 'useradd' program does not allow to create user with such a name. I think that it may be possible to create such a username manually (by editing the files /etc/passwd and /etc/shadow). However, many programs (including system utilities, such as 'useradd') may not work correctly with the names containing dot. On the other hand, some programs which use their own sets of users and their names (not the list of users from /etc/passwd) may allow user names with a dot. Alexey Fadyushin Brainbench MVP for Linux. http://www.brainbench.com Muhammad Rizwan Khan wrote: > > Is it possible to create users with dot in redhat 9. > like rizwan.khan > > -- > > Muhammad Rizwan Khan > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list