Is there the "Windows Batch file" emulator/interpreter for UNIX?

cmd.exe is rated NSFW in my area code

On windows look at PowerShell

If you insist, use Wine on linux, Solaris, BSD etc. It comes with cmd.exe :)

Wikipedia on Wine

MacOSX support:

• http://wiki.winehq.org/MacOSX
• http://davidbaumgold.com/tutorials/wine-mac/