LINAGE-COUNTER A separate LINAGE-COUNTER special register is generated for each FD entry containing a LINAGE clause. General Format LINAGE-COUNTER General Rules 1. The value in LINAGE-COUNTER at any given time is the line number at which the device is positioned within the current page. LINAGE-COUNTER may be referred to in Procedure Division statements; it cannot be modified by them. 2. LINAGE-COUNTER is initialized to 1 when an OPEN statement for this file is executed. 3. LINAGE-COUNTER is automatically modified by any WRITE statement for this file.