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Linux > LPIC-1-Exam 101 - Terms and Utilities > Flashcards

LPIC-1-Exam 101 - Terms and Utilities Flashcards

1
Q

/sys

A

virtual file system which stores and allows modification of system connected devices

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2
Q

/proc

A

virtual file system with text files showing kernel and process status

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3
Q

/dev

A

contains files that represent devices (device nodes)

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4
Q

modprobe

A

program to add and remove modules from the Linux Kernel

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5
Q

lsmod

A

program to show the status of modules in the Linux Kernel

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6
Q

lspci

A

list all PCI devices

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7
Q

/var/log/messages

A

system log (On Ubuntu it’s /var/log/syslog)

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8
Q

dmesg

A

print or control the kernel ring buffer

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9
Q

BIOS

A

Basic Input Output System

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10
Q

bootloader

A

a program that loads an operating system

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11
Q

kernel

A

the code between the hardware and applications

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12
Q

/etc/inittab

A

config file that controls what happens on a restart or when the run levels are force changed

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13
Q

shutdown

A

bring the system down

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14
Q

init

A

program that spawns other processes (Replaced with upstart in Ubuntu)

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15
Q

/etc/init.d

A

where traditional sysvinit scripts and upstart backward compatible scripts reside

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16
Q

telinit

A

change system runlevel

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17
Q

/ (root) filesystem

A

base level of the files system directory tree

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18
Q

/var filesystem

A

location of often changing files (such as database files)

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19
Q

/home filesystem

A

location of user home directories

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20
Q

swap space

A

drive space used as slow virtual memory

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21
Q

mount point

A

directory entry point to other mounted storage volumes

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22
Q

partitions

A

a logical storage unit

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23
Q

/boot/grub/menu.lst

A

config file that determines which kernel GRUB boots

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24
Q

grub-install

A

install GRUB to a device

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25
Q

MBR

A

Master Boot Record

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26
Q

superblock

A

file system blocks that contain info like: file system type, status, size, and other info

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27
Q

/etc/lilo.conf

A

config file for LILO boot loader (alternative to GRUB)

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28
Q

lilo

A

LInux LOader (boot loader)

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29
Q

ldd

A

print shared library dependencies

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30
Q

ldconfig

A

configure dynamic linker run-time bindings

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31
Q

/etc/ld.so.conf

A

config file that dictates where to search for libraries (colon, space, newline, tab, or comma-separated)

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32
Q

LD_LIBRARY_PATH

A

: separated list of paths used by the linker to resolve ELF executable dependencies during run-time

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33
Q

/etc/apt/sources.list

A

list used by Apt to determine where to get package info and packages

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34
Q

dpkg

A

package manager for Debian

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35
Q

dpkg-reconfigure

A

reconfigure an already installed package

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36
Q

apt-get

A

APT package handling utility - - command-line interface

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37
Q

apt-cache

A

query the APT cache

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38
Q

aptitude

A

high-level interface to the package manager

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39
Q

rpm

A

file(s) in the Red Hat Package Manager format

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40
Q

rpm2cpio

A

converts a RPM package files into a cpio archive

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41
Q

/etc/yum.conf

A

config file for YUM package manager

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42
Q

/etc/yum.repos.d/

A

config file that stores all the YUM repositories

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43
Q

yum

A

Yellowdog Updater Modified package management utility for RPM based systems

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44
Q

yumdownloader

A

a program for downloading files from YUM repositories

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45
Q

.

A

represents the current working directory

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46
Q

bash

A

GNU Bourne-Again SHell

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47
Q

echo

A

display a line of text

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48
Q

env

A

run a program in a modified environment

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49
Q

exec

A

execute a file

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50
Q

export

A

makes variables available to all child processes of the running shell or script

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51
Q

pwd

A

print name of current/working directory

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52
Q

set

A

reads and writes variables

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53
Q

unset

A

deletes variables

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54
Q

man

A

an interface to the on-line reference manuals

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55
Q

uname

A

print system information

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56
Q

history

A

GNU History Library

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57
Q

cat

A

concatenate files and print on the standard output

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58
Q

cut

A

remove sections from each line of files

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59
Q

expand

A

convert tabs to spaces

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60
Q

fmt

A

simple optimal text formatter

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61
Q

head

A

output the first part of files

62
Q

od

A

dump files in octal and other formats

63
Q

join

A

join lines of two files on a common field

64
Q

nl

A

number lines of files

65
Q

paste

A

merge lines of files

66
Q

pr

A

convert text files for printing

67
Q

sed

A

stream editor for filtering and transforming text

68
Q

sort

A

sort lines of text files

69
Q

split

A

split a file into pieces

70
Q

tail

A

output the last part of files

71
Q

tr

A

translate or delete characters

72
Q

unexpand

A

convert spaces to tabs

73
Q

uniq

A

report or omit repeated lines

74
Q

wc

A

print newline, word, and byte counts for each file

75
Q

cp

A

copy files and directories

76
Q

find

A

search for files in a directory hierarchy

77
Q

mkdir

A

make directories

78
Q

mv

A

move (rename) files

79
Q

ls

A

list directory contents

80
Q

rm

A

remove files or directories

81
Q

rmdir

A

remove empty directories

82
Q

touch

A

change file timestamps

83
Q

tar

A

The GNU version of the tar archiving utility

84
Q

cpio

A

copy files to and from archives

85
Q

dd

A

convert and copy a file

86
Q

file

A

determine file type

87
Q

gzip

A

compress or expand files

88
Q

gunzip

A

compress or expand files

89
Q

bzip2

A

a block-sorting file compressor

90
Q

file globbing

A

use of wildcards (filename generation by the shell)

91
Q

tee

A

duplicating pipe content

92
Q

xargs

A

build and execute command lines from standard input

93
Q

&

A

sends a process to the background

94
Q

bg

A

sends a process to the background

95
Q

fg

A

sends a process to the foreground

96
Q

jobs

A

lists background processes

97
Q

kill

A

send a signal to a process

98
Q

nohup

A

run a command immune to hangups, with output to a non-tty

99
Q

ps

A

report a snapshot of the current processes

100
Q

top

A

display Linux tasks

101
Q

free

A

Display amount of free and used memory in the system

102
Q

uptime

A

Tell how long the system has been running

103
Q

killall

A

kill processes by name

104
Q

nice

A

run a program with modified scheduling priority

105
Q

ps

A

report a snapshot of the current processes

106
Q

renice

A

alter priority of running processes

107
Q

top

A

display Linux tasks

108
Q

grep

A

print lines matching a pattern

109
Q

egrep

A

print lines matching a pattern

110
Q

fgrep

A

print lines matching a pattern

111
Q

sed

A

stream editor for filtering and transforming text

112
Q

regex(7)

A

POSIX.2 regular expressions

113
Q

vi

A

Vi IMproved, a programmers text editor

114
Q

/, ?

A

In vim, / is forward search, ? is backward search

115
Q

h,j,k,l

A

In vim command mode, h moves left, j moves down, k moves up, l move right

116
Q

i, o, a

A

In vim, i, o a change from command mode to insert mode

117
Q

c, d, p, y, dd, yy

A

In vim, c is change command, d is delete command, p is paste after current cursor position, y is yank command, dd is cut the current line, yy is copy the current line

118
Q

ZZ, :w!, :q!, :e!

A

In vim, ZZ saves & quits, w! writes changes & overwrites read-only files q! quits w/o saving, e! restarts editing a file with discarded changes

119
Q

fdisk

A

manipulate disk partition table

120
Q

mkfs

A

build a Linux filesystem

121
Q

mkswap

A

set up a Linux swap area

122
Q

du

A

estimate file space usage

123
Q

df

A

report file system disk space usage

124
Q

fsck

A

check and repair a Linux filesystem

125
Q

e2fsck

A

check a Linux ext2/ext3/ext4 file system

126
Q

mke2fs

A

create an ext2/ext3/ext4 filesystem

127
Q

debugfs

A

ext2/ext3/ext4 file system debugger

128
Q

dumpe2fs

A

dump ext2/ext3/ext4 filesystem information

129
Q

tune2fs

A

adjust tunable filesystem parameters on ext2/ext3/ext4 fil…

130
Q

xfs tools

A

xfs filesystem utilites

131
Q

/etc/fstab

A

config file containing the file system table

132
Q

/media

A

directory containing auto mounted devices

133
Q

mount

A

mount a filesystem

134
Q

umount

A

unmount file systems

135
Q

quota

A

shows disk usage and space permitted for a specific user or group

136
Q

edquota

A

edits user file system quotas

137
Q

repquota

A

summarizes file system quotas

138
Q

quotaon

A

turns file system quotas ON

139
Q

chmod

A

change permissions of a file

140
Q

umask

A

set file mode creation mask

141
Q

chown

A

change ownership of a file

142
Q

chgrp

A

change group ownership

143
Q

ln

A

make links between files

144
Q

find

A

search for files in a directory hierarchy

145
Q

locate

A

find files by name

146
Q

updatedb

A

update a database for mlocate

147
Q

whereis

A

locate the binary, source, and manual page files for a com…

148
Q

which

A

locate a command

149
Q

type

A

identifies if a command, is a built-in command, an alias, or a command installed in your PC

150
Q

/etc/updatedb.conf

A

updatedb is a config file used to update a database for mlocate

Linux (6 decks)

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