1. cron background resident program (daemon) for:
A. responsible for file sharing in the network
B. print management subsystem
C. tracing information management system and errors
schedule daily tasks D. management system
2. In most Linux distributions, which belongs to the block device (block devices)? A. serial port
B. hard
C. Virtual Terminal
D. printer
3. Which of the following Linux command to display the contents of a time? PAUSE A.
B. CAT
C. More
D. grep
4. How to know how much space you have in the current directory? The Use df A.
B. the Use du /
C. the Use du.
D. the Use df.
5. How do I change a file's permissions? Attrib A.
B. chmod
C. Change
D. File
6. If you need to find out /etc/my.conf files belong to which package (package), you can perform: A. RPM -q /etc/my.conf
B. RPM -requires /etc/my.conf
C. RPM /etc/my.conf -qf
D. RPM -q | grep /etc/my.conf
7. If the current system is running at level 3, how not to restart the system can be converted to level 5 running? The Set Level =. 5 A.
B. the telinit. 5
C. RUN. 5
D. the ALT-F7-5
8. That command is used to change the settings for IDE hard disk? Hdparam A.
B. ideconfig
C. hdparm
D. hddparm
9. Which of the following command to list all the tasks defined run once after a certain time? Atq A.
B. cron
C. BATCH
D. AT
10. The role of the command is the following: SET PS1 = "[\ U \ W \ T] $"; Export PS1 A. change the error information presentation
B. change command prompt
C. to change some parameters of the terminal
D. assist command prompt change
11. As an administrator, you want to decentralization in every new user a directory file .bashrc, then you should place the file in which directory to automatically copy this file to your home directory in the directory when creating new users . A. / etc / skel /
B. / etc / default /
C. / etc / Defaults /
D. /etc/profile.d/
12. In bash, the role of the export command is: A. run in the sub-shell command
B. make use command history recorded in the sub-shell
C. setting environment variables for other applications
D. partition to provide NFS network other systems use
13. Use of the shadow password system, / etc / passwd and / etc / shadow two files correct permissions are: A. -rw-R & lt -----, -R & lt ------- -
B.-R & lt -rw - r--, -R & lt - R & lt - r--
C.-R & lt -rw - r--, -R & lt --------
D. -RW- r - rw-, -r ----- r--
14. Which of the following parameters can delete a user and delete the user's home directory? Rmuser -r A.
B. deluser -r
C. userdel -r
D. usermgr -r
15. There is a backup program mybackup, you need to run each time Monday to Friday 13:00 and 20:00, which of the following crontab entry can get the job done? L, 5 0 * 13,20 * A. MyBackup
B. MyBackup 1,2,3,4,5 0 * 13,20 *
C. * * * 13,20 1,2,3,4,5 MyBackup
D. 0 13,20 1,5 * * mybackup
16. How to uninstall a mounted file system from the current system A. umount
B. the Dismount
C. Mount -u
D. delete this item from the file system / etc / fstab in
17. If your umask permissions set to 022, the default file is created for you: A. ---- w - W-
B. -w - w ----
C. r-XR-x-- -
D.-R & lt RW - r--
18. How to find the path to a binary Xconfigurator command in a command? Xconfigurator apropos A.
B. the Find Xconfigurator
C. the WHERE Xconfigurator
D. Which Xconfigurator
19. Which command is used to load all file systems defined in the / etc / fstab in? AMOUNT A.
B. Mount -a
C. fmount
D. Mount -f
20. Run a script, what rights the user does not need to? The Read A.
B. the Write
C. the Execute
D. at The ON the Browse Directory
twenty one. In Linux, how to identify IDE0 the slave connected to the hard disk of the second extended partition? A. / dev / hdb2
B. / dev / hd1b2
C. / dev / hdb6
D. / dev / hd1b6
twenty two. When the application starts, how to set the priority of the process? Priority A.
B. Nice
C. renice
D. the setpri
twenty three. In bash, after addition of a command "1> & 2" means: A. redirect the standard error output to the standard input
B. standard input redirected to the standard error output
C. standard output to the standard error output
D. Standard input to the standard output redirection
twenty four. Which the following command to copy the f1.txt f2.txt? A. cp f1.txt | f2.txt
B. CAT f1.txt | f2.txt
C. CAT f1.txt> f2.txt
D. Copy f1. txt | f2.txt
25. Display a file last few lines of command are: A. tac
B. tail
C. REAR
D. Last
26. How to quickly switch to the user's home directory John's? Cd @John A.
B. cd #John
C. cd & John
D. John cd ~
27. put a stream of all the characters to uppercase characters, which you can use the following command? TR AZ az A.
B. tac az AZ
C.sed / az / AZ
D. sed --toupper
28. What command can view the startup information for Linux? Mesg -d A.
B. the dmesg
C. CAT / etc / mesg
D. CAT / var / mesg
29. Run Level is defined in: A. in at The Kernel
B. in / etc / inittab
C. in / etc / runlevels
D. a using the Command at The RL
30. All documents how the system load (mount) on defined in the / etc / fstab file? -A Mount A.
B. Mount / mnt / *
C. Mount
D. Mount / etc / fstab
31. Use ln command generates a symbolic link to a file old new, if you delete the old file, if still able to access the data in the file? A. can no longer access
B. can still access
C. depending on the file's owner can access
permissions can access depends on the file D.
32.xt2fs file system, the default is to retain much space for the root user? %. 3 A.
B.. 5%
C. 10%
D. 15%
33. Which command to display the system in each partition in the inode? Df -i A.
B. df -H
C. as Free -b
D. du -a -c /
34. Most Linux distributions, run level is defined graphically? . 1 A.
B. 2
C.. 3
D.. 5
35. Find all instructions on the word in print system documentation? Man Print A.
B. Which Print
C. Print the locate
D. apropos Print
36.man 5 passwd meaning? A. Use the passwd command to display
B. display structure passwd file
C. Description of the first five rows show the passwd command of
D. on display at the five passwd documentation.
37. How do you find in the file to show all "*" line starts with? * Find File A.
B. * WC -l <File
C. grep -n * File
D. grep '^ *' File
38. In what parameters ps command is used to display all the user's processes? A A.
B. B
C. U
D. X
39. The display command binaries that? OD A.
B. VIL
C. View
D. binview
40. How to display the number of Linux users registered in the system (including the system user)? The Account the -l A.
B. NL / etc / passwd | head
C. --users WC / etc / passwd
D. WC --lines / etc / passwd
41. What symbols in a row plus end position, represents not the end of the next row? A. /
** B **.
C.;
D. |
42.命令 kill 9 的含义是：A. kills the process whose PID is 9.
B. kills all processes belonging to UID 9.
C. sends SIGKILL to the process whose PID is 9.
D. sends SIGTERM to the process whose PID IS 9.
43. How do I delete a non-empty directory / tmp? Del A. / tmp /
B. RM -rf / tmp
C. -Ra RM / tmp /
D. RM -rf / tmp / *
44. What command can run commands cmd1 midnight today? AT Midnight CMD1 A.
B. cron -at "00:00" CMD1
C. BATCH -t "00:00" <CMD1
D. echo "CMD1" | AT Midnight
45. Your system uses an incremental backup strategy, when the need to restore the system, you need to restore the backup data in what order? A. the last full backup, then the backup from the earliest to the most recent incremental
B. last full backup, then the backup from the earliest to the most recent incremental
C. earliest to the most recent incremental backup, and then the last full backup
D. Recent the first incremental backup, and then the last full backup
46. The variable settings for all users, which should be placed in the file? A. / etc / bashrc
B. / etc / Profile
C. ~ / .bash_profile
D. /etc/skel/.bashrc
47.Linux system, generally defined as an alias for the command ls ls --color so in different colors to identify the different types of files. However, how you can use the original ls command? A. \ LS
B.; LS
C. LS $$
D. LS --noalias
48. script file in Linux systems generally start with what? $ A. / bin / SH
B. #! / Bin / SH
C. use / bin / SH
D. the SET shell = / bin / SH
49. Which of the following wording cmd1 said that if successful, the command execution cmd2? CMD1 && CMD2 A.
B. CMD1 | CMD2
C. CMD1; CMD2
D. CMD2 CMD1 ||
50. The definition of the network card in which file I / O address? CAT A. / proc / modules
B. CAT / proc / Devices
C. CAT / proc / ioports
D. CAT / IO / DMA
In 51.Linux, provides TCP / IP packet What filtering software called? RARP A.
B. route
C. iptables
D. filter
52. How do you pause a print queue? LPR A.
B. LPQ
C. the LPC
D. LPD
53. Exit without saving command in vi is? A.: Q
B.: W
C.: WQ
D.: Q!
54. In XFree86 3.x, the default font server: A XFS.
B. xfserv
C. Fonts
D. xfstt
55. What command detect basic network connectivity? The ping A.
B. route
C. netstat
D. ifconfig
56. Which of the following protocol uses two or more ports? The Telnet A.
B. the FTP
C. rsh
D. HTTP
57. In the PPP agreement, which authentication protocol is not passed in clear text password? PAM A.
B. PAP
C. PGP
D. CHAP
58. Which of the following file system should be allocated the largest space? A. / usr
B. / lib
C. / root
D. / bin
59. How to install rpm packages in the Debian system? Alien pkgname.rpm A.
B. dpkg --rpm pkgname.rpm
C. dpkg --alien pkgname.rpm
D. Alien pkganme.rpm; dpkg -i pkganme.deb
60. Which of the following when installing the software step requires root privileges? The make A.
B. the make deps
C. the make config
D. the make install
61. What command is used to update only the rpm package already installed? -U RPM A. .rpm
B. -F * .rpm RPM
C. RPM -e .rpm
D. .rpm RPM * -q
62. At the start of the double windows and Linux systems, if you want LILO boot management, should be placed in the LILO: A. the MBR
B. /
head sector C. root partition
D. / LILO
63.ldconfig profile is A. /lib/ld.so
B. /etc/ld.so.conf
C. /etc/ld.so.cache
D. the /etc/modules.conf
64. Which of the following commands can compress some files: A. tar -dzvf filename.tgz
B. tar -tzvf filename.tgz
C. tar -czvf filename.tgz *
D. tar-xzvf filename.tgz *
Daemon 65. Network services are: A. LPD
B. NETD
C. httpd
D. inetd
66.Linux and windows leading ranks of online Internet, need to provide any daemon? A. the bind
B. smbd
C. nmbd
D. Shard
67. For the Apache server, the default sub-process is provided by the user: A. root
B. apached
C. httpd
D. the nobody
68.sendmail not issued a letter in the default storage location is: A. / var / mail /
B. / var / spool / mail /
C. / var / spool /, mqueue, /
D. / var / mail / The deliver /
69.apache main configuration file is:. A the httpd.conf
B. httpd.cfg
C. access.cfg '
D. apache.conf
70. loadable module, loading parameters, such as I / O address of the storage location is:. A /etc/conf.modules
B. /etc/lilo.conf
C. /boot/System.map
D. / etc / sysconfig
71. In Linux, how to turn off email alerts? N-BIFF A.
B. n-mesg
C. Notify OFF
D. Notify = OFF SET
72. In the bash shell environment, when a command is being executed, press control-Z will: A. abort the foreground task
B. to the current file with EOF.
C. into the background to the foreground task
D. log off the current user
73. define the bash environment, user files are: A. bash .bashrc &
B. bashrc & .bash_conf
C. bashrc & bash_profile
D. & .bash_profile .bashrc
74. Which the following command to display a library file used by the program? Ldd A.
B. LD SO
C. modprobe
D. ldconfig
75. How do you view the storage location of a configuration file RPM software? RPM RPM1 -qc A.
B. -Vc RPM RPM1
C. --config RPM RPM1
D. RPM -qa --config RPM1
76. How to view the revision history of a RPM software? RPM -Vc postfix A.
B. RPM -qpil postfix
C. RPM --changelog postfix
D. RPM -q postfix --changelog
77. The command to install the code has been compiled by the Makefile is: A. the make
B. install
C. the make the depend
D. the make install
78. What command unzip the tar file? Tar -czvf filename.tgz A.
B. tar-xzvf filename.tgz
C. tar -tzvf filename.tgz
D. tar -dzvf filename.tgz
79. XF86Config configuration file, which segment is used to set the font file? Fonts Section at The A..
B. at The Files Section.
C. at The xfsCodes Section.
D. at The Graphics Section.
80.8 bit color 指的是：A. 64K colors
B. 16K colors
C. 256 colors
D. 16M colors
81. The following file which is used to set the X window display resolution? Xinit A.
B. xinitrc
C. XF86Setup
D. XF86Config
82. Which variable is used to specify a remote X applications on which the output into the X server? The DISPLAY A.
B. TERM
C. ECHO
D. the OUTPUT
83. xdm configuration directory, the file which is used to set the application after the user login through xdm automatically started? The Xsession File at The A.
B. at The Xsetup_0 File
C. at The Xstart_up File
D. at The GiveConsole File
84. The command netstat -a stopped for a long time did not respond, this may be where the problem? NFS A..
B. the DNS.
C. NIS.
D. routing.
85.ping protocol used is: A. TCP
B. UDP
C. SMB
D. ICMP
86. Which is not following command to view a network failure? The ping A.
B. the init
C. the Telnet
D. netstat
87. Dial-up Internet protocol used is usually: A PPP.
B. UUCP
C. SLIP
D. Ethernet
88.TCP / IP, the protocol which is used for automatic assignment of IP? ARP A.
B. NFS
C. the DHCP
D. the DNS
89. Which of the following file defines the port network services? A. / etc / NetPort
B. / etc / Services
C. / etc / Server
D. / etc / NETCONF
90. Which of the following function is used to generate a checksum file? MD5 A.
B. tar
C. crypt
D. md5sum
91. default, the message in the user: A. ~ / mail /
B. / var / mail /
C. / var / mail / spool /
D. / var / spool / mail /
92. Which of the following file contains a list of directories for NFS daemon use? A. / etc / NFS
B. /etc/nfs.conf
C. / etc / Exports
D. / etc / the netdir
93. How do you stop a machine's telnet service? NONE /etc/telnet.allow of Put in A.
B. Line A of Put 'ALL: ALL' in /etc/hosts.deny
C. The Telnet it Comment entry in / etc / inittab
D. The Telnet it Comment entry in / etc / xinetd .conf
94. Save the sendmail aliases in which file? A. / etc / aliases
B. / etc / MailAliases
C. /etc/sendmail.aliases
D. / etc / the sendmail / aliases
95.smbd and nmbddaemons profiles are: A. / etc / Exports
B. /etc/smb.conf
C. / etc / Samba / config
D. /usr/local/samba.cfg
96. Which of the following command to unload a kernel module? Rmmod A.
B. unmod
C. delmod
D. modprobe
97. Under what circumstances must run LILO A. Once A Day from cron
B. Once A Week from cron
C. the After Installing A new new Kernel
D. the After Installing A new new Module
98. What command displays all modules loaded? Lsmod A.
B. dirmod
C. modules
D. modlist
99. Which of the following commands to refresh the printer queue? Lpflush A.
B. lprm -
C. lpclear
D. All lprm
Which 100. The following command to view the card interrupt? CAT A. / proc / ioports
B. CAT / proc / interrupts
C. CAT / proc / memoryinfo
D. Which interrupts