You could obviously make many of these kinds of changes by editing the related files as root. For example, you could change a username by replacing it in the /etc/passwd and /etc/shadow files and then ...

Account administration in a distributed UNIX/Linux environment can become complicated and messy if done by hand. Large sites use special tools to deal with this problem. In this article, I describe ...

Why shadow passwords? Simply put, the shadow password scheme addresses the major shortcoming of the original Unix password-handling scheme, the fact that the password list was stored as a ...