Don't make that assumption. I worked on older Solaris installations, they did have bash but the production scripts were written in ksh 88. I had to dig up obscu

Don't make that assumption. I worked on older Solaris installations, they did have bash but the production scripts were written in ksh 88. I had to dig up obscure features of this shell in because they didn't even upgrade to the newer version ksh 93 (yes, those numbers come from their release dates...1988 and 1993).