释义 |
program device 程序设备;[程式装置] In System/38, a symbolic mechanism used by a program instead of a real device to access the devices in a file. Note: When the program uses a program device, the system redirects the operation to the appropriate real device. With the exception of mixed files, the name of the program device is the same as that of the real device. For mixed files, the name of the program device may differ from that of the real device. 在IBM System/38中,一种由程序使用的,用来代替真实设备的 象征性机器,以在文件中访问该设备。注:当程序使用某一程序设备时,系统对相应的真实 设备进行操作。除混合文件外,程序设备的名字与真实设备的名字相同;对于混合文件, 程序设备的名字可不同于真实设备的名字。 |