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本设计的目的是通过设计和调试一个简单的文件系统,主要是模拟文件操作命令的执行,来模拟文件管理,使学生对主要文件操作命令的实质和执行过程有比较深入的了解,掌握它们...
本设计的目的是通过设计和调试一个简单的文件系统,主要是模拟文件操作命令的执行,来模拟文件管理,使学生对主要文件操作命令的实质和执行过程有比较深入的了解,掌握它们的基本实施方法。具体要求如下:
(1) 设计一个支持n个用户的文件系统,每个用户可拥有多个文件:
(2) 采用二级或二级以上的多级文件目录管理;
(3) 对文件应设置存去控制保护方式,如“只能执行”、“允许读”、“允许写等”;
(4) 系统的外部特征应接近于真实系统,可设置下述文件操作命令:
命 令 功 能 命 令 功 能
Create 建立文件 Read 读文件
Open 打开文件 Write 写文件
Close 关闭文件 Copy 复制文件
Delete 撤消文件 Directory 查询目录
(5) 通过键盘使用该文件系统,系统应显示操作命令的执行结果。-the purpose of this design is by designing and debugging a simple file system, main operation is simulated documents the execution of the order to simulate document management, enable students to the main document commands the substance and the implementation process of a more in-depth understanding, They grasp of the basic method. Specific requirements are as follows : (1) design a support n user file system, each user can have multiple files : (2) use of two or more than two multi-level directory management; (3) the document should be set up to deposit control and protection methods, such as "the only
- 2023-04-23 12:45:04下载
- 积分:1
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学生信息管理系统,用容器可以支持多种操作
学生信息管理系统,用容器可以支持多种操作-student management
- 2022-01-26 00:09:44下载
- 积分:1
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The help files in Windows API function has about 774, divided into twelve catego...
本帮助文件中的Windows API 函数大约有774个,共分十二大类,基本上包括了大部分的常用和非常用的Windows API 函数。-The help files in Windows API function has about 774, divided into twelve categories, basically most of the commonly used and very used to Windows API functions.
- 2022-10-18 02:30:03下载
- 积分:1
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模拟打印机的打印方式
模拟打印机的打印方式-simulation printers printing
- 2022-07-28 11:51:08下载
- 积分:1
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a sudoku game, user can type the row, colume, and the number to play, an assingn...
a sudoku game, user can type the row, colume, and the number to play, an assingnment in cla-a sudoku game, user can type the row, colume, and the number to play, an assingnment in class
- 2022-03-16 14:09:52下载
- 积分:1
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是一个检测飞船与陨石碰撞的程序,让你了解一般2D游戏DirectX的开发过程。...
是一个检测飞船与陨石碰撞的程序,让你了解一般2D游戏DirectX的开发过程。-detection spacecraft is a meteorite collision with the procedures, let you know the general game 2 D DirectX development process.
- 2022-07-02 16:04:35下载
- 积分:1
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socket communication process, from the client to send a number of characters in...
socket通讯程序,从客户端发送若干字符后在在服务器端接收-socket communication process, from the client to send a number of characters in the server side to receive
- 2022-06-15 01:32:47下载
- 积分:1
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Thax所有亚麻非常…
thax for all...thax very much-thax for all...thax very much...
- 2022-03-21 16:54:58下载
- 积分:1
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right no other assembly parts and the permanent link to the assembly of plastic...
对不用其他装配零件而永久性联结的塑料零件的装配可采用焊接方法。焊接方法的选择依据以下几种标准:根据模塑零件的几何形状,所使用的原料, 成本、总生产周期的综合因素,装配部位所要求的机械性能和外观质量。-right no other assembly parts and the permanent link to the assembly of plastic parts available welding methods. Welding method of choice based on the following criteria : Molded parts of the geometry, the use of raw materials, cost, Total production cycle by a combination of factors, the assembly of parts required by the mechanical properties and appearance of quality.
- 2022-03-28 19:31:14下载
- 积分:1
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sudoku很麻烦!不过自己试过也不错~
sudoku很麻烦!不过自己试过也不错~-sudoku lot of trouble! But they tried too ~!
- 2022-01-28 11:37:42下载
- 积分:1