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Definitions |
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mkdir
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make directory
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OS Components
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1. Kernel2. Device drivers3. Shell4. Utility programs5. Graphical user interface (GUI)
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X-server controls what?
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Graphical screen
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shell command-set
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set environmental variables
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Specialized Client applications...virtual clientsda5'swindow frameswindow managers
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Ans: Window Managers
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hashed representations of user passwords are located in
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etc/shadow
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The directory ____ provides information in the form of a tree structure on various hardware buses, hardware devices, active devices, and their drivers.a. /sys/ b. /proc/ c. /dev/ d. /mnt/
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Ans: /sys/
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RunLevel __ offers full networking capabilitis and starts graphical user interface?
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5
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file systems-inode
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holds file information/unique ID, doues not contain file name
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Application
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Software program that provides service for computer user
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User Management Commands-groupadd
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add new user group
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Is syslogd automatically loaded on system startup?
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Yes
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This directory doesn't necesarily have to be on the same partition as the root./dev//etc//usr//lib/
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Ans: /usr/p202
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In Linux, the separation character between individual directory names is the ____ character. a. / b. \ c. d. _
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Ans: _
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Which command would make manual pages show in English?
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LANG=en_EN
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User management commands- id
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shows current user ID
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what command is used to get information about a file or directory?
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file
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what LPD command and parameter displays the status of all printers on the system?
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lpc status
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Environmental variable that stores display name for your systemNAMEDEFAULTDISPLAYSYSTEM
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Ans: DISPLAYpg 222
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X-server config utility (text based)XFree86XF86Configxf86configxvidtune
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Ans: xf86configpg 136
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what other source of information on Linux can you use? Hotmail.comNewegg.comGoogle.comUniversal.com
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Ans: GOOGLE
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____ variables control the behavior of the shell itself and are only relevant locally. a. Environment b. Shell c. Control d. User
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Ans: Shell
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Which dir contains the how-to of Linux Doc Project in HTML format?
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/usr/share/doc/howto/en/html/
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what command allows you to view the string portion of a binary file?
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strings
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What is the fourth partitioln of the third hard drive referred to as?
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hd2,3
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what LPD command is used to remove print jobs?
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lprm
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What is a system-wide configuration file read by all shells that sets global configuration options? ~/.profile/etc/profile~/.bashrc~/.bash_profile
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Ans: /etc/profilepg 217
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Which of these desktops is the standard for SLES 9?twmGNOMEKDECygwin
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Ans: KDEP 50
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By default, the head and tail commands only show ____ lines. a. 5 b. 10 c. 15 d. 20
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Ans: 10
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____ is the default login manager in SLES. a. dm b. kdm c. gdm d. xdm
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Ans: kdm
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What dir are the help files located in for most installed apps?
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/usr/share/doc/packages/package-name
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what command can you use to view a binary file in octal format?
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od
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what command changes you to the parent directory of your parent directory?
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cd ../..
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What are the two most common bootloader programs for Linux?
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GRUB and LILO
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What is runlevel 3?
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Multi-User Mode, allows multiple users and networking but without GUI
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what command and switch sends /etc/inittab to printer1?
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lp -d printer1 /etc/inittab
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what is the file that contains the settings for cupsd?
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/etc/cups/cupsd.conf file
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What if you want to copy files byte-wise/bin/cp/bin/dd/bin/vi/bin/cat
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Ans: /bin/dd
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You can check to make sure you are root by entering id or ____. a. whois b. who c. which d. whoami
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Ans: whoami
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The ____ command is used to copy files from one machine to another. a. rput b. rupload c. rcopy d. rcp
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Ans: rcp
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what must be running in order for programs to run simultaneously.
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mechanisms (multitasking capability)
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What is this command? apropos
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used to search help manual pages
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how can I view the contents of the file readme but in reverse order?
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tac readme
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what command do you use to see the syntax of the prompt?
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echo $PS1
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What is ntsysv?
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ntsysv is a utility program that makes it easier to set and kill daemons at different runlevels
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What dir is standard for integrating a file system? /dev//mnt//proc//sys/
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Ans: /mnt/pg 202
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To remove a program from control panel, you right-click the icon in the CP and then select _____Erase program nameDelete program nameRemove program nameEliminate program name
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Ans: Remove program nameP 58
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How do we search for files that contain certain patterns?locatesearchfindgrep
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Ans: greppg 203ie 179
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What is this command? reset
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resets your terminal to use default terminal settings
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when you use the more command, how do you display the next line?
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press enter key
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how do I get the info page on the whoami command?
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info whoami
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Where do you normally have a symbolic link to the /boot/grub/grub.conf file?
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The link is /etc/grub.conf
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what command will print /etc/file1 and /etc/file2 to printer1?
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lp -d printer1 /etc/file1 /etc/file2
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What do you have to enter, for security reasons when rebooting or shutting down the computer?sys passwordetc passwordroot passwordshutdown password
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Ans: rootpg 54pg 204
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Which of these files is the only one read when a non-login shell is started?~/.profile/etc/profile~/.bashrc~/.bash_profile
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Ans: ~/.bashrcpg 217
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To quit GNOME, select ____ in the GNOME panel. a. GNOME > Log Out b. Actions > Log Out c. Session > Log Out d. Terminal > Log Out
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Ans: Actions > Log Out
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are your local user-defined variables available to shell scripts by default?
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No, shell scripts open in a subshell
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What is the default boot loader when installing Fedora core?
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GRUB is the default bootloader
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How can I make a daemon called rondaemon to automatically start at runlevel 5?
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Copy rondaemon into the /etc/rc.d/init.d directory, then make a symbolic link such as ln -s rondaemon /etc/rc.d/rc5.d/S99rondaemon
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What is a kernel panic?
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The Linux kernel gets into a situation where it doesn't know what to do next. When this happens, the kernel gives as much information as it can about what caused the problem, depending on what caused the panic.
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what is a relative pathname
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the path to a folder starting from the current folder
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What information is contained in the MBR?
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MRB contains location for the boot loader program
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can each user specify their own default printer?
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Yes, by adding the line default printername to .lpoptions file
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Can you select different versions of the kernel during startup?
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Yes, you can choose which version of the kernel to boot from
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If you boot to runlevel 5, in what directory does it look for daemons?
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Runlevel 5 looks in the /etc/rc.d/rc5.d directory
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What do you type at the grub> prompt to view all commands that are available during the boot phase?
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Type help to view all commands availabe during the boot phase
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How do you change to a different runlevel?
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type init followed by the new runlevel such as init 3
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What are symptoms of a hard kernel panic?
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1. Machine is completely locked up and unusable.2. Num Lock / Caps Lock / Scroll Lock keys usually blink.3. If in console mode, dump is displayed on monitor (including the phrase "Aieee!")4. Similar to Windows Blue Screen
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What runlevels can you start and stop daemons if you type ntsysv without parameters?
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You can only start and stop daemons in your current runlevel
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Should you delete a log file or just clear it?
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You should just clear it so you can save the rights and permissions given to that file
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