<P> The Darwin subsystem in macOS is in charge of managing the file system, which includes the Unix permissions layer . In 2003 and 2005, two Macworld editors expressed criticism of the permission scheme; Ted Landau called misconfigured permissions "the most common frustration" in macOS, while Rob Griffiths suggested that some users may even have to reset permissions every day, a process which can take up to 15 minutes . More recently, another Macworld editor, Dan Frakes, called the procedure of repairing permissions vastly overused . He argues that macOS typically handles permissions properly without user interference, and resetting permissions should just be tried when problems emerge . </P> <P> The architecture of macOS incorporates a layered design: the layered frameworks aid rapid development of applications by providing existing code for common tasks . Apple provides its own software development tools, most prominently an integrated development environment called Xcode . Xcode provides interfaces to compilers that support several programming languages including C, C++, Objective - C, and Swift . For the Apple--Intel transition, it was modified so that developers could build their applications as a universal binary, which provides compatibility with both the Intel - based and PowerPC - based Macintosh lines . First and third - party applications can be controlled programatically using the AppleScript framework, retained from the classic Mac OS, or using the newer Automator application that offers pre-written tasks that do not require programming knowledge . </P> <Table> List of macOS versions and the software they run <Tr> <Th> Operating system </Th> <Th> Safari </Th> <Th> Mail </Th> <Th> QuickTime </Th> <Th> iTunes </Th> <Th> Messages / iChat </Th> <Th> iWork </Th> </Tr> <Tr> <Th> 10.13 "High Sierra" </Th> <Td> 11.0 </Td> <Td> 11.0 </Td> <Td> 10.4 </Td> <Td> 12.7 </Td> <Td> 11.0 </Td> <Td> 2017 </Td> </Tr> <Tr> <Th> 10.12 "Sierra" </Th> <Td> 10.0 </Td> </Tr> <Tr> <Th> 10.11 "El Capitan" </Th> <Td> 9.3 </Td> <Td> 9.2 </Td> <Td> 2016 </Td> </Tr> <Tr> <Th> 10.10 "Yosemite" </Th> <Td> 9.1. 3 </Td> <Td> 8.0 </Td> <Td> 2014 </Td> </Tr> <Tr> <Th> 10.9 "Mavericks" </Th> <Td> 7.3 </Td> <Td> 10.3 </Td> <Td> 12.6. 2 </Td> <Td> 2013 </Td> </Tr> <Tr> <Th> 10.8 "Mountain Lion" </Th> <Td> 6.1 </Td> <Td>? </Td> <Td> 10.2 </Td> <Td> 12.4. 3 </Td> <Td>' 09 </Td> </Tr> <Tr> <Th> 10.7 "Lion" </Th> <Td> 10.1 </Td> <Td> 12.2. 2 </Td> <Td> 8.0 b or 6.0. 1 </Td> </Tr> <Tr> <Th> 10.6 "Snow Leopard" </Th> <Td> 5.1. 10 </Td> <Td> 4.5 </Td> <Td> 11.4 </Td> <Td> 5.0 </Td> </Tr> <Tr> <Th> 10.5 "Leopard" </Th> <Td> 5.0. 6 </Td> <Td> 3.6 </Td> <Td> 7.7 </Td> <Td> 10.6. 3 </Td> <Td> 4.0 </Td> </Tr> <Tr> <Th> 10.4 "Tiger" </Th> <Td> 4.1. 3 </Td> <Td> 2.1. 3 </Td> <Td> 7.6. 4 </Td> <Td> 9.2. 1 </Td> <Td> 3.0 </Td> </Tr> <Tr> <Th> 10.3 "Panther" </Th> <Td> 1.3. 2 </Td> <Td> 1. x </Td> <Td> 7.5 </Td> <Td> 7.7. 1 </Td> <Td> 2.1 </Td> <Td>' 05 </Td> </Tr> <Tr> <Th> 10.2 "Jaguar" </Th> <Td> 1.0. 3 </Td> <Td> 6.5. 3 </Td> <Td> 6.0. 5 </Td> <Td> 2.0 </Td> <Td> Keynote </Td> </Tr> <Tr> <Th> 10.1 "Puma" </Th> <Td> N / A </Td> <Td> 6.3. 1 </Td> <Td> 4.7. 1 </Td> <Td> N / A </Td> <Td> N / A </Td> </Tr> <Tr> <Th> 10.0 "Cheetah" </Th> <Td> 5.0 </Td> <Td> 2.0. 4 </Td> </Tr> </Table> <Tr> <Th> Operating system </Th> <Th> Safari </Th> <Th> Mail </Th> <Th> QuickTime </Th> <Th> iTunes </Th> <Th> Messages / iChat </Th> <Th> iWork </Th> </Tr>

What are the mac os x operating systems
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