(quote from from TG tshirt)
Commands and methods are slightly different per differeing Unix vendors. This would not make a difference for good admins.
The output of the commands is slightly different enough to have to modify established perl or shell scripts.
And after all is said and done, your sysadmins are going end up with their preferences, things they miss on the old Unix, things they like better about the new one. But all in all they will end up with a much broader set of skills to apply.
Back to my subject line, unless you are going to be using an open OS such as Linux or BSD, then you are stuck with different hardware as well. Each vendor is tied to their own hardware. If you are running AIX, then you will be getting big black shiny rs6ks. If you go with Solaris, then you get grey & lavender boxes (matte), etc... Which opens up a new can of worms; hw maintenance contracts, window of downtime/availability, quality and price of hardware, etc...
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(quote from from TG tshirt) Commands and methods are slightly different per differeing Unix vendors. This would not make a difference for good admins. The output of the commands is slightly different enough to have to modify established perl or shell scripts. And after all is said and done, your sysadmins are going end up with their preferences, things they miss on the old Unix, things they like better about the new one. But all in all they will end up with a much broader set of skills to apply. Back to my subject line, unless you are going to be using an open OS such as Linux or BSD, then you are stuck with different hardware as well. Each vendor is tied to their own hardware. If you are running AIX, then you will be getting big black shiny rs6ks. If you go with Solaris, then you get grey & lavender boxes (matte), etc... Which opens up a new can of worms; hw maintenance contracts, window of downtime/availability, quality and price of hardware, etc...