One of the most handy extended stored procedures in SQL Server is xp_cmdshell. This article will show you how to use it.
2003-11-14 (first published: 2001-05-03)
This article by Andy Warren talks about using sp_addlogin to move logins from one server to another. It also points out a problem you may run into if you have a SQL 7 server that was upgraded from 6.5
2004-05-12 (first published: 2001-05-01)