Lexical - F$GETDVI

Use to get information about devices.

$ vbl = F$GETDVI( “ddcu:”, item )

Some useful items:

ALLDEVNAM

FREEBLOCKS

LOGVOLNAM

MAXBLOCK

TT_ACCPORNAM

Many others…

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The F$GETDVI() lexical is used to get information about devices in the system, or to see if a device exists.

Some of the valid items are listed. Many more items are available.