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ERDEV returns an error code from the last device that generated a critical
error. ERDEV$ returns the name of the device that generated the error.

ERDEV
ERDEV$

    ■ The low byte of the value returned by ERDEV contains the DOS error
      code. The high byte contains device-attribute information.

◄Example►

See Also    ◄ERR, ERL►    ◄ON ERROR►
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