<s id="mvh2b"><strike id="mvh2b"><u id="mvh2b"></u></strike></s>
    1. <rp id="mvh2b"></rp>

      当前位置:首页 > IT教程

      web服务器 文件服务器_什么是文件服务器

      时间:2021-08-06 13:54:13来源:金橙教程网 作者:admin8 阅读:88次 [手机版]


      WEB服务器 文件服务器

      什么是文件服务器? (What Is File Server?)

      In computing, a file server is a computer connected to a network which has the main objective of Providing a place for shared storage of computer files (such as documents, sound files, photos, movies, pictures, DATabases, etc.) that can be Accessed by the work they are connected to the computer network. The Home Server would be the MAChine while the machines linked to them are called Customer. A file server generally does not perform any calculations, and not run any program on behalf of clients. It is designed primarily to enable the storage and fast retrieval of data where the heavy computation is provided by the workstations. These servers are commonly found in schools and Offices, and rarely seen in local Internet service providers using LAN to connect your client computers.

      在计算中,文件服务器是连接到网络的计算机,其主要目的是为计算机文件(例如文档,声音文件,照片,电影,图片,数据库等)的共享存储提供一个场所。通过工作访问他们连接到计算机网络。 主服务器将是计算机,而链接到它们的计算机称为客户。 文件服务器通常不执行任何计算,也不代表客户端运行任何程序。 它的主要目的是在工作站提供繁重计算的情况下实现数据的存储和快速检索。 这些服务器通常在学校和办公室中找到,而在使用LAN连接客户端计算机的本地Internet服务提供商中却很少见。

      技术—文件服务器的模型 (Technology — Models of file servers)

      File servers have different purposes, some of them are: backup, information sharing, remote storage, among others. Each file server has different approaches about what comes to be a. Three of these models are widely used, which are:

      文件服务器具有不同的用途,其中一些用途是:备份,信息共享,远程存储等。 每个文件服务器都有不同的解决方案。 这些模型中的三种被广泛使用,它们是:

      –?? ?When a server has the file structure, and appoint some or all records with a unique key and can write, read, join, extend, remove, and many other operations; –?? ?When the server does not have the INTERNAL structure of the files. Thus the file server is not able to solve complex operations on them, but only reading and writing; –?? ?When the server has a hierarchy, treating the files as a tree. This model is the most common of all because, apart fROM allowing such a hierarchy, may have the internal structure of files, allowing complex operations and transfers.

      –服务器具有文件结构,并使用唯一密钥指定一些或所有记录,并且可以写入,读取,连接,扩展,删除以及许多其他操作; –服务器没有文件的内部结构时。 因此,文件服务器无法解决对其的复杂操作,而只能读取和写入。 –服务器具有层次结构时,将文件视为树。 该模型是最常见的模型,因为除了允许这种层次结构之外,它还可能具有文件的内部结构,从而允许复杂的操作和传输。

      文件服务器–管理属性 (File Servers – Management attributes)

      File servers must allocate and manage at least two attributes to each file: a name or identifier and size, to know where and how much memory will take up such a file. However, in most file servers, there are more attributes, forming a set of attributes or a List of attributes. The form to which these attributes are treated, also varies from server to server. Some commonly used attributes are: – the access control, which determines how and which user can access the file – the hidden file, which determines whether the file is visible or not – the qualifications that says the file quality – the type of file, that says if the file is a song or a text document for example.

      文件服务器必须为每个文件分配和管理至少两个属性:名称,标识符和大小,以了解在何处以及将占用该文件多少内存。 但是,在大多数文件服务器中,有更多的属性,形成一组属性或一组属性。 这些属性所使用的形式在服务器之间也有所不同。 一些常用的属性是:–访问控制,用于确定如何以及哪些用户可以访问文件–隐藏的文件,用于确定文件是否可见–表示文件质量的限定条件–文件的类型表示文件是例如歌曲还是文本文档。

      文件保护 (File Protection)

      All file servers should somehow protect and control access to your files. The simplest and least reliable is to consider all client machines as trustworthy and just run all the applications that arrive. Another method, somewhat more reliable, is protection based on capabilities, with a bit Map to indicate the permitted operations (Tanenbaum, Andrew S., Computer Networks), where there are passwords for a particular type of access and / or operations.

      所有文件服务器都应以某种方式保护和控制对文件的访问。 最简单,最不可靠的是将所有客户端计算机视为可信任的,并仅运行所有到达的应用程序。 另一种更可靠的方法是基于功能的保护,带有位图指示允许的操作(Tanenbaum,Andrew S.,计算机网络),其中存在用于特定类型的访问和/或操作的密码。

      客户端和服务器之间的连接 (Connection between Client and Server)

      Clients and servers communicate through protocols, as well as two or more network computers. The use of networked computers and, of course, the Internet, requires that each machine has a handle that is differentiated from others. Therefore, it is necessary, among other things that each computer has an address, somehow to be found. It is here that kicks in our main protocol called TCP / IP (Transmission Control Protocol / Internet Protocol).

      客户端和服务器通过协议以及两台或更多台网络计算机进行通信。 使用联网计算机,当然还有Internet,要求每台机器的手柄都与其他机器有所不同。 因此,除其他外,有必要以某种方式找到每台计算机的地址。 正是在这里,我们的主要协议称为TCP / IP(传输控制协议/ Internet协议)。

      Study: From Wikipedia, the free encyclopedia. The text is available under the Creative Commons.

      研究:来自维基百科,免费的百科全书。 该文本可在“ 知识共享”下找到 。

      翻译自: https://www.eukhost.com/blog/webhosting/what-is-file-server/

      web服务器 文件服务器




      Linux 删除文件夹和文件的命令

      Linux删除目录很简单&#xff0c;使用rm -rf命令即可。使用规则&#xff1a;?? rm -rf 目录名字?? ?? -r 向下递归&#xff0c;不管有多