#1 #1 INFORMATION TECHNOLOGY COLLEGE OF HO CHI MINH CITY FACULTY OF INFORMATION TECHNOLOGY oOo FINAL EXAMINATION SUBJECT: FUNDAMENTALS OF LINUX CLASSES: C9CTs DURATION: 90 minutes (only reference to “Fundamentals of Linux” paper-book and English-Vietnamese paper-dictionary allowed ) Choose the best answer for each question. 1) As a system administrator, you are instructed to backup all the users’ home directories. Which of the following commands would accomplish this? a) tar xvf usersbackup.tar /home/* b) tar cvf usersbackup.tar /home/* c) tar cvf usersbackup.tar /home/usr/* 2) What would be displayed as the result of issuing the command ps –ef? a) Display information about every process on the system with full listing. b) Only display names of all processes of current user. c) Display information about stopped processes on the system with full listing. 3) You enter the command cat MyFile | sort > DirList& and the operating system display [4] 3499 What does this mean? a) This is the job number 4 and the PID of the command 3499 b) This is the job numner 4 and the PID of the job is 3499 c) The PID of the command is 3499 and the priority is 4 4) Which command would you use to get a list of all files inside the rpm-packet votandung.rpm in /home/cntt? a) rpm –a /home/cntt/votandung.rpm b) rpm –l /home/cntt/votandung.rpm c) rpm –d /home/cntt/votandung.rpm 5) How could you describe the following commandline? command1 | command2 a) The command command1 redirect its output to the command command2. b) The command command1 writes its output into the file command2. c) The command command2 is only processed if the command command2 leaves with an error. 6) What would the following command result in? echo $(date) > A.txt a) The current date and time of the system will be written into the file A.txt b) The date and time values in A.txt file will set for the date and time of the system. c) Displays errors. 7) Which of the following commands could be used to search for a particular term inside a textfile without opening the file? a) grep b) diff c) find 8) What would the following command result in? (Files: file1.txt, file2.txt. Directories: tm1, tm2, tm3) cp /tm1/file1.txt /tm2/file2.txt /tm3 a) This isn’t a valid command. b) file1.txt, file2.txt and tm3 are copied to current directory. c) file1.txt and file2.txt are copied to /tm3 9) You've started three jobs in the background. Now you would like to bring one particular of them into the foreground again. How could you do it? a) Use the command fg jobname b) Get the list of jobs using the jobs-command and then use fg jobID c) Switch through all background-jobs using the Ctrl-Tab key 10) Which statements about priority of processes are true? a) A priority value reaches from 0 to 20 b) A less priority value means higher priority c) Priority-values can be changed with the ps- command 11) What does the following command mean? ls *[A-Z][0-9] a) List all files that end with one uppercase letter and then one digit. b) List all files that begin with one uppercase letter and one digit. c) List all files that have one letter or one digit. 12) What is the number of the first logical partition on /dev/hda? a) /dev/hda1 b) /dev/hda4 c) /dev/hda5 13) In what file do you configure which partitions should be mounted on bootup? a) /etc/fstab b) /etc/mkfstab c) /root/fstab 14) You are working with vi, writing a textfile. Being in command mode, you want to move the cursor to last line of file. Enter the necessary command? a) G b) 1G c) Press “End” key. 15) You need to search the entire directory structure to lacate a specific file. How could you do this and still Page 1 of 3 (exam #1) be able to run other commands while the find command is still searching for your file? a) find / -name filename & b) find / -name filename c) bg find / -name filename 16) Which commands will shutdown a RedHat Linux system in console mode: a) shutdown –r now b) init 0 c) init 1 17) You need to copy all the files and directories contained in the home directory to another location. What utility can you use for this? a) cp b) mv c) ln 18) Which shell built-in command can be used to create an shorter string that represents for a longer command in bash shell? a) ln b) alias c) set 19) Which process has the Process ID numder 1 a) bash b) init c) sys 20) What is the correct command to move all file in /tmA to /tmB that begin with ‘a’ and end with ‘b’? a) mv /tmA/a?b /tmB b) mv /tmA /tmB/[a-b] c) mv /tmA/a*b /tmB 21) Which of the below commands you should use to identifies all groups to which the ‘tandung’ user belongs. a) whoami b) last c) id 22) Which command should you choose if you want to change the owner of the below ‘coconut’ file? a) chown teo:normal coconut b) chmod teo:normal coconut c) useradd –c teo:normal coconut 23) You are running a Red Hat machine. You have added a 2 nd NIC to your machine and reboot it. The card is detected fully by the BIOS. Which file must be created to allow this interface to function? a) /etc/sysconfig/network-scripts/ifcfg-eth0 b) /etc/sysconfig/network-scripts/ifcfg-eth1 c) /etc/sysconfig/network-scripts/ifcfg-eth2 24) Which Linux command can be used to modify the list of groups a user belongs to? a) usermod b) groupadd c) chgrp 25) Your lemus.dat file is existing in current directory. You want to append some data to it. What command will be deployed? a) tee –a lemus.dat b) tee lemus.dat c) touch –a lemus.dat 26) You want to show only the middle 15 lines of a 45 line text file named test.txt. Which of the following commands will you use? a) head –n 16-30 test.txt b) tail +16 test.txt > head -15 test.txt c) head –n 30 test.txt | tail -15 27) What utility can you use to show a dynamic listing of running processes? a) top b) ps c) pgrep 28) When you create spat user without using -d option. Which home-directory of spat will be made? a) /usr/spat b) /home/spat c) /etc/spat 29) You need to view the MAC address, IP address and loopback address informations for all of your configured and active interfaces. Type the command string that will accomplish this. a) ifconfig b) ifconfig –a c) vi /etc/sysconfig/network-scripts/ifcfg-all 30) You wish to find a votandung user in your system. Which statement will you choose? a) find /usr –name votandung b) grep votandung /etc/passwd c) whoami votandung 31) Which Linux command can be used to show the available space on local hard-disk partitions? a) df -hT b) fdisk –l c) df 32) Which is the mount-point of following command? mount –t vfat /dev/sda2 /mnt/disk2 a) -t vfat b) /dev/sda2 c) /mnt/disk2 33) Choose the best command in the followings to list all files and directories in your Linux system. a) ls –R / b) find />r.txt;cat r.txt c) both a) and b) are right. 34) You want to creat a compressed backup of the user home directories. What utility should you use? a) gzip b) compress c) tar 35) If you want to make a hard link from t2 directory to t1 directory. Which of the following commands is right? a) ln /a/b/t1 t2 b) ln /a/b/t1 /a/b/t2 c) Both a) and b) are false. 36) Assume that your current directory is '/tm1' and your home directory is '/home/dung'. Which of the below commands will copy all the content of '/tm1/tm2/' to a 'tm2' subdirectory of your home directory? a) cp -r tm2/* /home/dung b) cp -r ./tm2 ~ c) cp -r /tm1/tm2 /home/dung/tm2 37) You need to view the contents of the tarfile called Khoa9.tar. What command would you use? a) tar tf Khoa9.tar b) tar tf Khoa9 c) tar xf Khoa9.tar 38) If you want to make a symbol link (soft link) from t2 file to t1 file. Which of the following commands is right? a) ln –s t1 t2 b) ln /a/b/t1 /a/b/t2 c) ln –s /a/b/t1 /a/b/t2 Page 2 of 3 (exam #1) 39) Your umask is set to 012. If you create a new directory, what will the permission of the new directory be? a) -rwxrw-r-x b) drw-r-xr c) drwxrw-r-x 40) In your present working directory, you have only these files: firewall.txt, firefox.txt, fine.txt. What is the fewest number of keys you can type to open the file “fine.txt” with vi (include typing “v” and “i” of vi command)? a) 6 b) 8 c) 12 41) You type the command “cd ~foo” in your Linux console. What does the command do? a) It will take you to the “~foo” directory. b) It will take you to the home directory of the user “foo”. c) It will take you to the “/root/foo” directory. 42) Which of the following commands would count the total number of lines with the word “root” in /etc/passwd file? a) wc –l /etc/passwd | grep root b) grep root /etc/password | wc –l c) cat /etc/passwd | grep root | wc –l 43) What key combination can you press to suspend a running job and place it in the background? a) Ctrl-Z b) Ctrl-D c) Ctrl-B 44) Which command allows you to make a shell variable (named VTD) visible to subshell? a) export $VTD b) env VTD c) export VTD 45) If you know that your samba service’s name is smbd. Which following command is deployed to find out if your samba service is running: a) find / -name smbd -depth b) whereis smbd c) ps –e | grep smbd 46) You want to check what shares are offered by a Windows system. Which of the following commands could you use to perform this task on your Linux system? a) smbclient b) smbstatus c) smbshares 47) Which two files in a user’s home directory are used to customize the bash (Bourne-Again shell) environmment ? a) profile and .bash_profile b) profile and .bashrc c) .bash_profile and .bashrc 48) You issue the command jobs and receive the following output: [1]- Stopped (tty output) pine [2]+ Stopped (tty output) MyProgram How would you bring the MyProgram process to the foreground? a) Ctrl-C b) Ctrl-Z c) fg %2 49) You would like all the users of the system to be able to run your new “abc” application which has been copied it to the directory “/usr/local/bin”. Which of the following command lines would allow the appropriate access? a) chmod u+x /usr/local/bin/abc b) umask 0022 /usr/local/bin/abc c) chmod 777 /usr/local/bin/abc 50) Which one of the following commands copies files with the .dat extension from /tm1 into /tm2? a) mv /tm1/*.dat /tm2 b) cp /tm1/*.dat /tm2 c) cp -p /tm2 < /tm1/*.dat END Page 3 of 3 (exam #1) . #1 #1 INFORMATION TECHNOLOGY COLLEGE OF HO CHI MINH CITY FACULTY OF INFORMATION TECHNOLOGY oOo FINAL EXAMINATION SUBJECT: FUNDAMENTALS OF LINUX CLASSES:. /etc/sysconfig/network-scripts/ifcfg-eth0 b) /etc/sysconfig/network-scripts/ifcfg-eth1 c) /etc/sysconfig/network-scripts/ifcfg-eth2 24) Which Linux command can