| 释义 |
background program
后台程序;［后部程式］
1.In multiprogramming, the program with the lowest priority, which is processed when a higher priority (foreground) program is not using system resources. Background programs are executed from batched or stacked job input.
在多道程序设计系统中,优先级最低的程序,当高优先级(前台)程序不使用系统资源时,计 算机才对它们进行处理。后台程序是通过成批或栈式作业输入方式进入系统执行的。
2.In TSO, a program executed in a region of main storage that is not swapped.
在分时可选软件(TSO)中,在主存的一个区域中执行的一种程序,该主存区不进行页交换。 对照foreground program。 |