Commands Flashcards

1
Q

bash

A

bourne-again shell

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2
Q

bg

A

send to background

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3
Q

cat

A

concatenate and print

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4
Q

cd

A

change directory

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5
Q

chgrp

A

change group ownership

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6
Q

chmod

A

change access permissions

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7
Q

chown

A

change file owner and group

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8
Q

chroot

A

run a command with a different root directory

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9
Q

clear

A

clear terminal screen

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10
Q

cp

A

copy one or more files to another location

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11
Q

cron

A

daemon to execute scheduled commands

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12
Q

crontab

A

schedule a command to run at a later time

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13
Q

cut

A

divide a file into several parts

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14
Q

dd

A

convert and copy a file, write disk headers, boot records

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15
Q

df

A

display free disk space

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16
Q

dig

A

DNS lookup

17
Q

dir

A

briefly list directory contents

18
Q

dmesg

A

print kernel and driver messages

19
Q

du

A

estimate file space usage

20
Q

echo

A

display message on screen