Everything needed to use the same script with Linux and all varieties of UNIX is present: Linux, Solaris, AIX and HP-UX have one subsection each. The first chapter is a quick tutorial of shell ...

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start.

To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest version of the Korn shell (referred to as “korn93”) supports associative arrays.