Within those restrictions, though, the 9.1 operating system appears to run on top of OS X very well. The networking for OS X is full-featured, with all the services you'd expect from a Macintosh and many you'd expect from Unix. AppleTalk is supported, both for connecting to remote machines and for serving files from your desktop. The Apache Webserver is included in the distribution, as is an FTP server, WebDAV, NFS, and other emerging technologies. Summary Overall, the performance of the new OS seems very good.
Older applications run well after the initial wait for the old OS to load.
Hard-core Mac enthusiasts may be put off by the lack of intuitive usage, while Unix aficionados will undoubtedly be irritated by the lack of an X Windows environment and many standard utilities. In short, while it won't satisfy everyone, MacOS X seems to be a solid start for a next-generation operating system. Hardware requirements MacOS X requires a beige G3 or newer. Apple recommends 128MB of RAM to run the operating system. MacOS X requires 1.5Gb of hard drive space for the install.