Linux+ flashcards _ Quizlet

During Linux installation, you need toconfigure a minimum of how many useraccounts?

two

Filesystem that performs journaling ext3

Shares password databases among Linuxsystems

Network Information Service (NIS)

Program started by the BIOS that loads theLinux kernel into memory from a hard diskpartition inside the computer

boot loader

command that halts the system immediatelyand powers down the computer

poweroff

Allows you to choose the operating systemupon system startup

dual booting

Specify a commands' working parameters arguments

Channel that allows a user to log in terminal

Alter the way a command works options

Traditional filesystem still used on most Linuxcomputers

ext2

In Linux, what is used to accept input from theuser and pass input to the kernel forprocessing?

Shell

To find all of the commands that have the wordlist in their name or description, you wouldtype what?

man -k list

What metacharacterindicates backgroundcommand execution?

&

What is the shell that is used by default inLinux?

BASH

Which Linux Command displays your loginname?

whoami

What is the most common method of installingLinux?

DVD installation

Linux+ flashcards | Quizlet http://quizlet.com/8690858/linux-flash-cards/

1 of 11 2/13/2015 10:44 AM

Because you need to document so many piecesof hardware and software information, youshould create a ______ that contains allimportant installation information as well ashardware information.

Preinstallation checklist

What are specific letters that start with a dash(-)?

Options

What directory contains system commands andutilities?

/usr

What filesystem is compatible with theWindows FAT filesystem?

VFAT

Hard disks can contain how many majorpartitions?

4

The command that displays the calendar for thecurrent month is what?

cal

what is the metacharacter for commandtermination?

;

Which Linux command gets you out of yourcurrent shell?

exit

The recommended size for the /home directoryis _____ per user.

200 MB

What command will confirm the systemdirectory that you are currently in?

pwd

What metacharacter can also be used to refer tothe current user's home directory?

~

To move from the /home/joe/test/data to thehome/joe directory, what command would youuse?

cd../..

If you type enough unique letters of a directoryand press the _____ key, the BASH shell willfind the intended file or directory beingspecified and fill in the appropriateinformation.

Tab

Most files on a Linux system that containconfiguration information are what kind offiles?

text files

To view a list of files and their type, use the____ switch to the ls command.

-F


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The ____ symbol indicates a linked file. @

The ____ command can be used to provide along listing for each file in a certain directory.

ls -l

Using wildcard metacharacters, how can oneindicate a number is either 1, 2, 3, or 4?

[1-4]

The ____ command displays the last five linesof a text file

tail -5

Extended regular expression metacharacters ?, +, {}, |

The ____ regular expression metacharactermatches 0 or more occurrences of the previouscharacter.

*

What key combination, commonly used in thevi editor command mode, displays current linestatistics?

ctrl + g

The ____ can be used with LISP artificialintelligence programming language andsupports hundreds of keyboard functions likethe vi editor.

Emacs editor

The ____ editor is functionally analogous to theWindows Wordpad and Notepad editors.

gedit

Displays files in reverse order tac command

Displays lines of test that match extendedregular expressions

egrep comand

Identifies a channel that passes informationfrom one process in memory to another, and insome cases can be mediated by fiels on the harddrive

named pipe

Special file that serves as placeholders toorganize other files

directory

Displays the first ten lines of a text file head command

A file that represents a device on the system,such as a hard disk or serial port

Special device file

Files that have an association with one another Linked files

A file that contains the most recent entries atthe bottom of the file

log file


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A file that allows a process on anothercomputer to write to a file on the localcomputer while another process reads from thatfile

socket file

In the FHS, the ____ directory contains theLinux kernel and files used by the boot loader

/boot

In FHS, the ____ directory is the root user'shome directory

/root

In the FHS, the ____ directory contains mostsystem commands and utilities

/usr

Copying a file can be accomplished using whatcommand?

cp

What command takes a list of argumentsspecifying the absolute or relative pathnames offiles to remove?

rm

The fastest method to search for files in theLinux Directory tree is to use what command?

locate command

You can see the contents of a certain variable inmemory by using the ____ metacharacter withthe echo command

$

The ____ section of a filesystem is the sectionthat contains information about the filesystemin general.

superblock

To create a hard link, you must use the ____command

ln

The section of an inode that stores permissionsis called the _____ of a file.

mode

In a file's mode, if a permission is unavailable,a ____ character replaces its position in themode

-

If a user has _____ permission for a file, theycan open. read, and edit the contents of a file

write

When using the chmod command for a specificfile, the ______ argument would add readpermissin and remove write permission for thegroup persmission

g+r-w

When using the chmod command, the moderwx can be replaced by the number____.

7


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To set all of the special permission on a certainfile or directory, you can use the command_____, where name is the name of the file ordirectory.

chmod 7777 name

Command used to change the permissions for acertain file or directory

chmod

Command used to view you current user name whoami

Command used to view your groupmemberships and primary group

groups

Command used to change the group owner of afile or directory

chgrp

Command used to test network connectivity ping

Command used to change the ownership of afile or directory

chown

Command used to display BASH shell aliases alias

Special variable on the system used to takeaway permissions on new files and directoriesimmediately after they are created.

umask

Command used to quickly create an empty file. touch

Devices that transfer data in a character-by-character fashion are referred toas______devices.

character

The ____ device file represents the firstprimary partition on the second IDE hard diskdrive (primary slave).

/dev/hdb1

The ____ device file represents the secondserial port on the system (COM2).

/dev/ttyS1

The ____ filesystem is used by softwareprograms that write to a CD-RW or DVD-RWdrive.

udf

The _____ filesystem contains most of theoperating system files.

root

To format a filesystem with a specifiedfilesystem type, you can use the ____ optionwith the mkfs command.

-t


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To mount all filesystems in the /etc/fstab filethat are intended to mount at boot time, you cansimply type the ____ command.

mount -a

CD-ROMs typically use the _____ filesystem iso9660

Linux requires how many partitions atminimum?

two

Data is read off of hard disks in concentriccircles called what?

tracks

To create partitions after installation, you canuse the _____ command

fdisk

The easiest method for monitoring free spaceby mounted filesystems is to use the _____command

df

Errors on a filesystem are often referred to asfilesytem ____ and are common on mostfilesystems.

corruption

To check a filesystem for errors, you can usethe _____ command, which can checkfilesystems of many different types.

fsck

You can edit the quotas for certain users byusing the _____ command

edquota

Directory that stores devices files /dev

Indicates a particular device minor number

File on the hard disk representing a device on aLinux system

device file

Command used to create modify systemparameters

tune2fs

The first readable sector of a hard disk, wherepartition definitions are stored

MBR

File that contains a list of devices that arecurrently used on the filesystem and their majornumbers

/proc/devices

Rigid quota limits that the user cannot exceed hard limits

Points to the device driver for a device in theLinux kernel

major number

Hard disk quotas that the user can exceed for acertain period of time.

Soft limits


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Each SCSI device is assigned a unique IDnumber known as a _____.

target id

Most Parallel SCSI controllers support up to____ devices.

15

The highest priority SCSI device is given aSCSI ID of______.

7

The _____ standard supports speeds of up to 80MB/s.

SCSI-3 Ultra2 Wide

Raid level _____ is often referred to as diskmirroring.

1

Raid level ____ is commonly referred to as diskstriping with parity

5

A Fedora 13 CD installation requires ___ CDs. six

In Fedora Linux, a ____ file is a script file thatspeifies the choices that you would normallychoose when you install the operating system

kickstart

If a Linux installaion ends abnormally and thescreen displays a "fatal signal _____" errormessage, it indicates an error known as asegmentation fault.

11

Some installation fail to place a boot loader onthe hard disk properly; this is often the casewith large hard disk drives that have over ____cylinders.

1024

_____ installation log files are create by theFedora installation program.

two

to verify hardware settings, you can examinethe contents of the _____ directory.

/proc

The ____ file in the /proc directory contains alist of memory address ranges reserved fordevice use.

ioports

The ____ in the /proc directory containsstatistics on the performance of the processor.

loadavg

A remote disk to which a computer connectsusing iSCSI

iSCSI target

File that contains a lists of packages that wereinstalled as well as a list of those that were notinstalled

/root/install.log


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A type of RAID level 0 that consists of twohard disks that are seen as one large volume.

spanning

A unique identifier for each devie attached toany given node in a SCSI chain

Logical Unit Number (LUN)

File that lists all of the system events thatoccurred during the installation, such as thecreation of user and group accounts

/root/install.log.syslog

A version of RAID controlled by the systemBIOS

firmware RAID

A protocol that may be used to install Fedoravia the network.

Network File System (NFS)

A type of RAID level 0 in which an individualfile is divided into sections and savedconcurrently on multiple disks.

disk striping

The situation in which a program has accessedan area of RAM that was not assigned

segmentation fault

The file descriptor stdin is represented by thenumber____.

0

The file descriptor stderr is represented by thenumber___.

2

You can ue the BASH shell to redirect standardoutput and standard error from the terminalscreen to a file on the filesystem using the ___shell metacharacter followed by the absolute orrelative pathname of the file

>

You can redirect a file to the standard input of acommand using the ____ character.

Documents

Linux+ flashcards _ Quizlet