linage counter

基本解释

LINAGE-COUNTER can be referred to in procedure division statements; it must not be modified by them.
可以在程序划分语句中引用 LINAGE-COUNTER；但不能用这些语句修改它。
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 中的值在任何给定时间都表示设备在当前页面中的行号。
When more than one special register is generated, you must qualify each reference to a LINAGE-COUNTER with its related file name.
当生成多个专用寄存器时，必须用相关联的文件名指定对 LINAGE-COUNTER 的每个引用。