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写一个脚本文件checkuser,该脚本运行时带一个用户名作为参数,具体要求如下:
1)如果命令行格式不符合要求,应有错误提示信息;
2)在/etc/p...
写一个脚本文件checkuser,该脚本运行时带一个用户名作为参数,具体要求如下:
1)如果命令行格式不符合要求,应有错误提示信息;
2)在/etc/passwd文件中查找是否有该用户,
如有,则输出“Found in the /etc/passwd file.”
否则,输出“No such on our system”
-Write a script file checkuser, the script run-time with a user name as a parameter, and specific requirements are as follows: 1) If the command-line format does not meet the requirements, there should be error message 2) in/etc/passwd file to check if there were any users, and if so, then the output " Found in the/etc/passwd file. " Otherwise, output" No such on our system "
- 2023-02-19 02:40:04下载
- 积分:1
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一个算计器的实现源码., 可以进行一般的运算
一个算计器的实现源码., 可以进行一般的运算-A calculating device realize source., The operator can carry out general
- 2022-07-08 15:08:50下载
- 积分:1
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独立设备驱动程序规范。
linux stand alone device driver specification.
- 2022-01-27 23:27:05下载
- 积分:1
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这个源代码是在linux环境蓝牙网络传输文件…
this source code is transferring a file over bluetooth network in linux environment
- 2022-02-15 21:30:48下载
- 积分:1
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linux嵌入式设计一书的光盘,其中描述了很多嵌入式中常用的通信方式,比较有用。...
linux嵌入式设计一书的光盘,其中描述了很多嵌入式中常用的通信方式,比较有用。-linux embedded design book s cdrom ,have many application for embedded linux design.
- 2022-01-25 19:13:05下载
- 积分:1
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是对s3c2410的开发板的bootloader的分析
希望能给需要着提供帮助...
是对s3c2410的开发板的bootloader的分析
希望能给需要着提供帮助-Is a S3C2410 development board s bootloader analysis of the hope that they will need to provide assistance
- 2022-08-26 13:37:55下载
- 积分:1
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详细阐述
详解linux的实时时钟,写的很好-Elaborates on the real-time clock and write well
- 2022-02-01 01:40:55下载
- 积分:1
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实现内存数据库的源代码
实现内存数据库的源代码-achieve memory database source code
- 2022-04-01 05:35:49下载
- 积分:1
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Linux下的简单字符设备驱动的源码,有说明文件说明如何编译和安装卸载测试驱动...
Linux下的简单字符设备驱动的源码,有说明文件说明如何编译和安装卸载测试驱动-Linux simple character device driver source code, has the documentation on how to compile and install uninstall test drive
- 2022-04-24 23:15:21下载
- 积分:1
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在环境下实现一个简单的客户端
在Linux环境下实现简单的客户机与服务端通信,主要是TCP协议-In the Linux environment to achieve a simple client-side communications and services, primarily TCP protocol
- 2022-03-22 22:07:12下载
- 积分:1