程序设计实验指导书
阮越 陶陶
2008年3月
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Linux
实验一 Linux基本命令的使用 ..................................................................................................... 3
1、实验目的............................................................................................................................. 3 2、实验内容和步骤................................................................................................................. 3 3、实验结论............................................................................................................................. 5 实验二 简单Shell程序设计 ........................................................................................................ 6
1、实验目的............................................................................................................................. 6 2、实验内容和步骤................................................................................................................. 6 3、实验结论............................................................................................................................. 8 4、程序清单............................................................................................................................. 8 实验三 Linux下简单C程序设计与文件操作............................................................................ 10
1、实验目的........................................................................................................................... 10 2、实验内容和步骤............................................................................................................... 10 3、实验结论........................................................................................................................... 11 4、程序清单........................................................................................................................... 11 实验四 Linux下进程操作与进程间通信.................................................................................... 15
1、实验目的........................................................................................................................... 15 2、实验内容与步骤............................................................................................................... 15 3、实验结论........................................................................................................................... 16 4、程序清单........................................................................................................................... 16 实验五 Linux线程的使用 ........................................................................................................... 19
1、实验目的........................................................................................................................... 19 2、实验内容和步骤............................................................................................................... 19 3、实验结论........................................................................................................................... 20 4、程序清单........................................................................................................................... 20 实验六 Linux进程间的IPC ........................................................................................................ 23
1、实验目的........................................................................................................................... 23 2、实验内容和步骤............................................................................................................... 23 3、实验结论........................................................................................................................... 24 4、程序清单........................................................................................................................... 24 实验七 Linux下访问Mysql数据库 ........................................................................................... 30
1、实验目的........................................................................................................................... 30 2、实验内容和步骤............................................................................................................... 30 3、实验结论........................................................................................................................... 31 4、程序清单........................................................................................................................... 31 实验八 Linux下网络编程 ........................................................................................................... 35
1、实验目的........................................................................................................................... 35 2、实验内容和步骤............................................................................................................... 35 3、实验结论........................................................................................................................... 35 4、程序清单........................................................................................................................... 35
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实验一 Linux基本命令的使用
1、实验目的
学习和掌握Linux的基本命令。 2、实验内容和步骤
步骤1:以user_login用户身份并使用telnet登录Linux服务器,按照提示创建自己的账户和口令。
步骤 2:使用新创建的用户账户和口令登录Linux系统,察看登录后的界面。
步骤3:使用pwd命令察看当前的工作目录,然后用ls命令查看当前目录下的内容,尝试使用-a,-l,-F,-A,-lF等不同选项并比较不同之处。
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤4:在当前目录下建立一个名为test的新目录,然后将工作目录切换到test下,尝试将/etc目录下的文件passwd拷贝到该目录下(cp 源文件 目的目录)。察看当前目录下的passwd文件的属主和文件权限。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤5:尝试向当前目录下的passwd文件和/etc/passwd文件分别写入一些新内容(可使用echo “字符串” >>文件的命令),看看操作能否成功,如果不能成功,请说明原因。用cat命令浏览文件password的内容,用more命令进行浏览翻页操作,再用less命令浏览文件的内容。比较这几个命令的不同之处
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤6:用ls命令查看test下文件的权限,用mv命令更改文件password的文件名为test.txt,尝试用chown和chgrp更改文件的属主为root、组为root,看看能否成功,不成功,请说明原因。尝试用chomd将文件权限为“-rw-------”。看看能否成功,不成功,请说明原因。
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_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤7:用rm命令删除test目录下的所有文件,再用rmdir命令删除test目录。 (想一想有没有一条命令将目录及目录下的所有文件删除,写出这条命令)
_______________________________________________________________________________ 步骤8:使用ps命令查看当前系统内的进程,并利用man命令获取ps命令的参数,写出获取当前终端进程执行情况的ps命令。
_______________________________________________________________________________ 步骤9:使用df命令查看当前系统已安装的文件系统的空间使用情况,记录结果。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤10:使用du命令查看用户的工作目录占用了多少空间,记录结果。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤11:使用free命令查看内存资源的使用情况,记录结果。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤12:使用man获取tar和gzip的帮助信息,尝试将test目录下的文件打包并压缩,然后到另外一目录tmp下解包,写出这几条命令。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤13:尝试执行“ls –l > tmp”,看看这条命令的执行会出现什么结果,解释一下这条命令。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤14:尝试执行find /usr/src -name *.c -print | xargs grep “#include”,看看这条命令的执行会出现什么结果,解释一下这条命令。
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______________________________________________________________________________________________________________________________________________________________ 步骤15:执行cal和date命令,说说这两条指令的用途。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 步骤16:执行命令clear和logout,退出系统。(想一想有没有其他的方法,写出这种方法)
______________________________________________________________________________________________________________________________________________________________ 步骤17:执行命令shutdown,关闭系统。(想一想有没有更简单的命令,写出这条命令) _______________________________________________________________________________
3、实验结论
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