daemon

简明释义

英[ˈdiːmən]美[ˈdiːmən]

n. 魔鬼，恶魔（同 demon）；守护进程；后台程序；虚拟光驱软件

英英释义

单词用法

同义词

反义词

例句

1.The refresh daemon is running.

刷新守护进程正在运行。

2.Otherwise, the daemon may best be reconfigured to execute as needed.

否则，最好把守护进程重新配置为根据需要执行。

3.The process ID (PID) of the daemon will be stored in the file.

这个守护进程的进程ID (PID)将存储在这个文件中。

4.Then we started the ripd daemon.

然后我们启动ripd守护进程。

5.Staff query result refresh daemon.

人员查询结果刷新守护进程。

6.The rpc.rquotad daemon registers itself with the portmapper daemon.

rquotad守护进程向portmapper守护进程注册其本身。

7.Launch the agent, the Gearman daemon.

启动这个agent，即Gearman守护程序。

8.The web server runs as a daemon 守护进程 in the background, handling requests from users.

网络服务器作为一个守护进程在后台运行，处理用户请求。

9.A daemon 守护进程 is essential for managing system resources efficiently.

一个守护进程对于有效管理系统资源是必不可少的。

10.In Unix-like systems, many services are managed by daemons 守护进程 that start at boot time.

在类Unix系统中，许多服务由在启动时启动的守护进程管理。

11.The email server operates as a daemon 守护进程, sending and receiving messages without user intervention.

电子邮件服务器作为一个守护进程运行，发送和接收消息而无需用户干预。

12.You can check the status of the daemon 守护进程 using the command line.

你可以使用命令行检查守护进程的状态。

作文

In the world of computing, the term daemon refers to a background process that runs on a computer system, performing tasks without direct user intervention. These processes are crucial for managing various system functions and services, often operating silently to ensure that everything runs smoothly. For instance, when you print a document, a daemon is responsible for managing the print queue and sending your job to the printer. This allows users to continue with other tasks while the printing occurs in the background. The concept of a daemon is not just limited to printing; it applies to many areas of computing, including web servers, database management systems, and network services. The origin of the word daemon comes from the Greek word 'daimon', which means a guiding spirit or an inner force. In the context of computing, it symbolizes a helper or a servant that performs necessary functions without requiring constant supervision. This is similar to how a personal assistant might manage schedules and tasks for an individual, allowing them to focus on more critical activities. One of the most well-known examples of a daemon is the 'httpd' daemon, which serves web pages to users when they request them through their browsers. When you enter a URL, your browser sends a request to the server, and the daemon processes this request, retrieves the appropriate files, and sends them back to your browser. This seamless interaction is largely invisible to the user, showcasing the efficiency and importance of daemons in modern computing. Another example is the 'cron' daemon, which is used in Unix-like operating systems to schedule tasks. Users can set up scripts or commands to run at specified intervals, whether it's daily, weekly, or monthly. This automation is vital for system maintenance, backups, and other repetitive tasks that would otherwise consume time and effort if done manually. The presence of a daemon ensures that these tasks are executed reliably and on time, enhancing productivity and system performance. In addition to their practical applications, daemons also illustrate the broader concept of background processes in our daily lives. Just as a daemon operates behind the scenes to maintain system functionality, many aspects of our lives are managed by unseen forces. For instance, consider the role of technology in our daily routines—smart home devices, automated reminders, and even social media algorithms work quietly in the background to enhance our experiences. This parallel highlights the significance of daemons beyond the realm of computing, reminding us of the hidden systems that support our daily activities. In conclusion, the term daemon encapsulates a vital aspect of computing that emphasizes efficiency, automation, and the importance of background processes. Understanding daemons helps us appreciate the complexity of modern technology and the unseen efforts that contribute to our seamless interactions with digital systems. As we continue to advance in technology, the role of daemons will likely expand, further integrating into our lives and enhancing our capabilities in ways we may not yet fully comprehend.

在计算机世界中，术语daemon指的是在计算机系统上运行的后台进程，这些进程在没有直接用户干预的情况下执行任务。这些进程对于管理各种系统功能和服务至关重要，通常默默运行，以确保一切顺利进行。例如，当您打印文档时，一个daemon负责管理打印队列并将您的作业发送到打印机。这使得用户可以在打印过程中继续进行其他任务。daemon的概念不仅限于打印；它适用于计算的许多领域，包括网络服务器、数据库管理系统和网络服务。 daemon一词的起源来自希腊语“daimon”，意为指导精神或内在力量。在计算机上下文中，它象征着一个助手或仆人，执行必要的功能而不需要持续的监督。这类似于个人助理可能为个人管理日程和任务，使他们能够专注于更重要的活动。 一个著名的daemon示例是“httpd”daemon，它在用户通过浏览器请求网页时提供网页。当您输入URL时，您的浏览器向服务器发送请求，而daemon处理此请求，检索适当的文件，并将其发送回您的浏览器。这种无缝的交互对用户来说大多是不可见的，展示了daemons在现代计算中的效率和重要性。 另一个例子是“cron”daemon，它用于类Unix操作系统中调度任务。用户可以设置脚本或命令，在指定的时间间隔运行，无论是每天、每周还是每月。这种自动化对于系统维护、备份和其他重复性任务至关重要，否则如果手动完成，将消耗时间和精力。daemon的存在确保这些任务可靠、准时地执行，从而提高生产力和系统性能。 除了它们的实际应用外，daemons还展示了我们日常生活中后台进程的更广泛概念。正如daemon在幕后运作以维持系统功能一样，我们生活中的许多方面也由看不见的力量管理。例如，考虑一下技术在我们日常生活中的作用——智能家居设备、自动提醒甚至社交媒体算法都在后台静静工作，以增强我们的体验。这种平行关系突显了daemons在计算领域之外的重要性，提醒我们支持我们日常活动的隐藏系统。 总之，术语daemon概括了计算的一个重要方面，强调了效率、自动化和后台进程的重要性。理解daemons帮助我们欣赏现代技术的复杂性以及为我们与数字系统的无缝交互做出贡献的看不见的努力。随着我们在技术上的持续进步，daemons的角色可能会进一步扩展，进一步融入我们的生活，并以我们尚未完全理解的方式增强我们的能力。