Get(SystemDrive)Returns the drive letter (Windows) or volume name (Mac OS) where the currently running operating system is located.FileMaker Pro 8.0For information on how functions evaluate differently on the host versus the client, search the FileMaker Knowledge Base available at http://help.filemaker.com.Returns /C:/ in Windows when the operating system is on the C: drive.Returns /DriveName/ in the Mac OS when the operating system is on a volume named DriveName.