The full Stack Overflow thread is at http://stackoverflow.com/questions/3637668/why-are-scripting-languages-e-g-perl-python-ruby-not-suitable-as-shell-langu htt

The full Stack Overflow thread is at http://stackoverflow.com/questions/3637668/why-are-scripting-languages-e-g-perl-python-ruby-not-suitable-as-shell-langu http://stackoverflow.com/questions/3637668/why-are-scripting.... I particularly liked this guys exposition on Microsoft's PowerShell (about the last three quarters of the answer).