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1、南开大学 UNIX 管理与开发期末试卷 1 / 9南开大学 20132014 年度第二学期Unix 管理与开发期末考试试卷(考试时间：100 分钟 总分 100 分)院（系） 软件工程 学号 姓名 分数 一选择正确的答案 （每题 2 分，共 20 分）1. The signs of files can be read, write, execute are followed in turn( A )。A. rwx B. xrw C. rdx D. srwAnswer: A2. Exit interactive shell，should input( C )。A. ; B. q C. exit
2、D. quitAnswer: C3.If superuser root was under the directory：/usr/local，after input cd，the user is under which directory now( B )。A. /home B. /root C. /home/root D. /usr/localAnswer: B4.There is a file named file under the directory:/home/stud1/wang，using( C )can make it run in the background，the com
3、mand output the content of file to file.copyA. cat file ;file.copy B. cat ;file.copy C. cat file file.copy & D. cat file file.copy &Answer: C5.In UNIX system，the source file changes to executable file through compiling ,the executable file belongs to ( B )A. ASCII file B. ordinary file C. directory
4、file D. special fileAnswer: B6.The following narrative on UNIX, which is not correct ( C)A. UNIX file system is a tree structure, easy to manage and retrieve B. UNIX provides a wealth of software tools, such as utilities, text, and development tools C. UNIX manages ordinary files, directories, files
5、, and device files in different ways南开大学 UNIX 管理与开发期末试卷 2 / 9D. UNIX is a multi-user, multi-tasking operating systemAnswer: C7.If you want to know the detail usage of find which is a command of Unix, you should input（C）Ahelp find Bfind help Cman find Dfind manAnswer: C8.About the command cp， which i
6、s incorrect（ C ）Acp file1 file2Bcp file1 file2 /tmpCcp r file1 file2Dcp r /tmp /mytmp Answer: C9.When we create a new file, it has properties as followed（ A ）A Readable and writable propertyB Readable executable propertyC Writable executable propertyD . Read-write executable propertyAnswer: A10.If w
7、e want to change the time of a file,use the command（ C ）Atime B. Date C. touch D. calAnswer: C11.About the command cd , which is incorrect（ D ）A cd Back to directory when registering B cd /tmp into directory /tmpC cd ./ into the upper directoryDcd ./ into the root directoryAnswer: D12.When you creat
8、e a new directory using the mkdir command, the option when its parent directories do not exist to create a parent directory is ( D )。A. -m B. -d C. -f D. pAnswer: D13.The following statements, which is not belong to the scope of the role of the ifconfig command ( D ) 。A. Configure the local loopback
9、 addressB. Configure the IP address of the network cardC. Activate the network adapter 南开大学 UNIX 管理与开发期末试卷 3 / 9D. Load the card into the kernel Answer: D14.There are four methods to assignment of variables in the shell，the name of name=12 is ( A )。A. Direct assignment B. Use read command C. Using t
10、he command line parameters D. Use the command output 15.Answer: A15.Change the owner of a file ,use command ( C )。A. chmod B. touch C. chown D. catAnswer: C16.how many“-”will output in the following procedures?( D)#include #include #include int main() for(int i=0;i&1 outfile2. execute with this command and success, write the out put of screen(if there is): $ ./a.out outfile 2&1 $ cat outfileAnswer：1 No2 a write to stdout before forkpid = 432, glob = 7, var = 89before forkpid = 431, glob = 6, var =88
