I work in a group that manages a large amount of Solaris, AIX, and Linux servers, of varying versions. When I'm writing scripts that can be run on any given sy

I work in a group that manages a large amount of Solaris, AIX, and Linux servers, of varying versions. When I'm writing scripts that can be run on any given system, there are very few things I can use that I know will work. One of those is Perl (5.8.8) and the other is Korn Shell (ksh).