What are the four types of system programs?
什么是系统程序的四种类型?。
One of the system programs is called the compiler.
这些系统程序当中有一种叫做编译程序。
Mike: Does it mean CAM system programs will be used in more complicated work?
麦克：这是否意味着计算机辅助制造系统程序将在更复杂的工作中使用？
The testing tool executes the test scenarios associated with the interrelated system programs that may be affected by the change and the results are evaluated.
测试工具实施与会受到变更影响的互相关联的系统组件相结合的测试方案进行测试，并评审测试结果。
The low-level system programs, upper application programs and the writing FLASH of the DSP monitoring system are completed by using CCS integrated development environment.
在CCS集成开发环境下，完成了DSP监测系统低层系统程序和上层应用程序的开发以及程序的FLASH固化。
Smaller programs will use either the system tree or the user tree, but not both.
小型程序会使用系统树或者用户树，但是不会同时使用这两者。
Lack of compatibility with other hardware components and some software, like system imaging programs.
缺乏与其他硬件组件和软件的兼容性，比如系统映像程序。
I will leave you to do any swizzling of names and file separators in what follows, so the programs work correctly on your system.
请您自行完成随后所有调整名称和文件分隔符的工作，以便程序能在您的系统上正确地运行。
Users will be able to execute scripts and programs in that file system.
用户将可以在该文件系统中执行脚本和程序。
This task is made more complex by the presence of other programs running concurrently on the system.
因为系统上存在其他并发运行的程序，所以此任务变得更加复杂。
There are several log files that are maintained by the system, but other services and programs may put their log files here too.
这里有几个由系统维护的日志文件，但其他服务和程序也可能会把它们的日志放在这里。
For example, the bottom-up approach analyzes existing Information Management System (IMS) transactions or COBOL programs.
例如，自底向上方法将分析现有的信息管理系统(IMS)事务或COBOL程序。
The location of system files is configurable during recompilation or with other programs.
在重新编译期间，可以(或通过其他程序)配置系统文件的位置。
Most of the supporting configuration data is not exposed by predefined interfaces; it is accessible only by ABAP programs running on the SAP system.
大多数支持配置数据都不是通过预定义的接口公开的；其只能通过运行在SAP系统上的ABAP程序访问。
The IBM I also has a messaging system that programs use to communicate with users and other programs.
IBMi还有一个消息传递系统，程序使用该系统与用户和其他程序通信。
SQL embedded in programs on the application server might use the SQL system date clause.
在应用服务器上程序嵌入的SQL可能使用SQL系统日期子句。
As you are working through the exercises, you're encouraged to download, compile, and run these programs on your own system.
在做这些练习时，我们推荐您在自己的系统上下载、编译和运行这些程序。
When developing an application or other userspace program, the developer has to take into consideration the code written by others: the operating system, the libraries, other programs, etc.
当开发一个应用程序或者是其他的处于用户空间的程序时，开发者必须考虑其他人写的代码----操作系统，库函数，还有其他程序，等等。
IBM I has a print spooling system that manages the output of various programs.
IBMi拥有一个后台打印系统，用于管理各种程序的输出。
They are assigned a process id or a numerical identifier so that the operating system may keep track of the programs currently executing and of their associated priority levels.
给他们指定进程ID或者数字标识符为的是让操作系统跟踪正在执行的程序和这些程序的相关联的优先等级。
Researchers in MIT’s Computer Science and Artificial Intelligence Lab hope to change that, with a system that allows people to write programs using screen shots of GUIs.
MIT计算机科学人工智能实验的研究员们希望改变这种状况，他们开发了一个可以让人们利用GUI的截图来编写程序的系统。
Now, as you know, any operating system has potentially hundreds of programs running at the same time.
现在，如您所知，任何操作系统都可能同时运行数百个程序。
The IBM i system runs programs using jobs or processes.
IBMi系统通过作业或进程来运行程序。
IBM I provides several means to run executable programs on the system.
IBMi提供几种方式来在系统上运行可执行程序。
One of the many jobs assigned to system administrators is making sure the programs of users are running properly.
分配给系统管理员的许多工作之一是确保用户的程序正确运行。
Also, programs that monitor system state or provide system login should run at high RT priority so that the program is allowed to preempt the problematic threads.
另外，监控系统状态或提供系统登录的程序应该以高rt优先级运行，以便程序可以抢占问题线程。
In 1987, Axelrod extended the computerization of the game by setting up a system in which small populations of programs played randomly generated Prisoner's Dilemma strategies.
1987年，阿克塞尔·罗德通过设定一套系统拓展了这个电脑游戏。在系统里，有一小群程序玩家执行随机产生的“囚徒困境”策略。
The main way rogue programs get into a system is by exploiting security holes in the operating system.
恶意的程序进入系统的主要方法是利用操作系统的安全性漏洞。
Most backup and restore programs require your system to be up and running in order to restore. But what if you cannot boot into Windows?
大多数备份与恢复软件需要运行操作系统才能使用，但是如果你不能进入系统呢？
Most backup and restore programs require your system to be up and running in order to restore. But what if you cannot boot into Windows?
大多数备份与恢复软件需要运行操作系统才能使用，但是如果你不能进入系统呢？
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