To view the true file size from a Macintosh highlight the file, and choose the Get Info command in the File menu. In the Get Info window, the actual file size is listed in parentheses with bytes used.
To view the amount of AppleShare File Server disk space used for a given file from a Windows client, highlight the desired file, select the Properties item from File Manager, and click on the AppleShare... option. The disk statistic appears in the Size field of this dialog.
The Windows File Manager shows the actual number of bytes of the file. A Macintosh Finder window reports the number of bytes allocated on the disk to store the file.
This article was published in the "Information Alley": Volume II, Issue 6, Page 13