DISKSIZE function

Purpose | Return the total amount of space on a disk, in bytes.
Syntax | bytes&& = DISKSIZE(drive$)
Remarks | drive$ specifies the drive letter or UNC share name (subject to operating system restrictions) of the disk to examine. If drive$ is an empty string, information on the default drive is returned.
Restrictions | With Windows 95 versions before OSR2, and Windows NT versions before 4.0, DISKSIZE may return a negative or inaccurate value for drives larger than 2 GB.
See also | DISKFREE
Example | DisplayText "Total bytes on C: " + FORMAT$(DISKSIZE("C"), "#,###")