Portability protocols
The Common File System also provides protocols to deal with unavoidable platform-specific attributes, such as line delimiters, path separators, file system roots, and startup directory, in a portable manner. Extensions to POSIX.1 are also provided for the following:
Copying
Suppressing platform error dialogs
Obtaining volume information: caseSensitive, preservesCase, maximumFileLength, volumeName, and volumeType.
Setting the access and modification timestamps of a file: touch: and touch:time:
Last modified date: 01/29/2015