>Thank you Sergey!
>I don't understand about SYS(2023)--if TmpFiles, SortWork, ProgWork, and EdiWork are set to point to different locations, which one is returned by SYS(2023)?
>Thanks, Chaim

Check the help file

SYS(2023) uses the Windows API GetTempPath to search for the path containing the temporary files. GetTempPath searches a sequence of variables that differ depending on the operating system. For more information, see Optimizing the Operating Environment.