This is a free three part course designed by Selena Sol,
suitable for webmasters and web developers with little or no UNIX
experience.
The first part introduces the basic concepts of Operating Systems;
the UNIX Kernel; Shells; Utilities; Executing Utilities; Wild Cards;
Input, Output, and Redirection; The "man" Utility; UNIX and Webmasters;
History of UNIX; Logging In and Out; Resetting Your Password.
