An associative array is an array which uses strings as indices instead of integers. To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest ...

PowerShell is extremely powerful and once you get the hang of it, you can see how you can easily do things that using Unix shell is harder to do. Yeah, every row is an object and each column is ...

Maybe you're married to Microsoft Exchange, but you secretly pine for open-source e-mail tools like SpamAssassin or fetchmail. Or maybe you're using Unix-based applications for some network services, ...