Unix/Linux下转换用户ID的su程序源码

日本 ITRON OS 在汽车电子中的应用 高度机密哦-Japan ITRON OS electronics in the automotive application highly confidential Oh

优龙Intel Xscale PXA270 开发平台 LINUX源码, 包括 平台用户手册, PDF原理图, kernel, driver代码. 非常有参考价值.-Intel Xscale PXA270 gifted Liuzhou LINUX-source development platform, including the platform, user manual, PDF schematic diagram, kernel, driver code. A very valuable reference.

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 "

关于IP协议方面的， 比较难-On IP agreements, and more difficult

robocuo相关资料 -robocuo相关资料robocuo相关资料

串口程序，一个很好的Linux、Unix下的串口，并口程序源代码-Serial procedures, a very good Linux, Unix Serial, Parallel source code

PThreads Primerlinux 线程讲得很透彻-Thread PThreads Primerlinux very thorough

gcc 能编译 完全用于学习！gcc can be compiled exclusively for learning!-gcc can be compiled exclusively for learning!

清华大学－电子信息工程系－实验用ARM-linux－源代码－SDRAM篇-Tsinghua University- Electronic Information Engineering- experiment with ARM-linux-source code-SDRAM articles

这是华蓝佳声科技公司操表机 打印程序源码-This is the best blue acoustic technology companies parade Table printing procedures FOSS