Commands Flashcards

(33 cards)

1
Q

Pwd

A

Print working directory.

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2
Q

Cd

A

Change directory.

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3
Q

Chmod

A

Changes the permissions on a file.

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4
Q

Chown

A

Change owner of file.

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5
Q

Su

A

Switch user

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6
Q

Sudo

A

Super user do

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7
Q

Cp

A

Copy

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8
Q

Mv

A

Either move a file from one directory to another or rename a file in the same directory.

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9
Q

Rm

A

Remove/delete file

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10
Q

Df

A

Disk free: allows you to view the free disk space

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11
Q

du

A

Disk usage: allows you to see how a device is used, including the size of directory.

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12
Q

Grep

A

Globally search a regular expression and print: allows you to search for a match and print the result to the terminal.

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13
Q

Find

A

Allows you to search for files

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14
Q

ls

A

List the contents of the directory.

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15
Q

Cat

A

Prints the contents of the file.

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16
Q

Cat -n

A

Prints the contents of the file adds line numbers.

17
Q

(pipe)

A

Send the results into this.

18
Q

ps

A

Invokes the process table, all processes running on the system.

19
Q

top

A

Same as ps but allows you to sort and terminate processes interactively.

20
Q

Ifconfig

A

Legacy ipconfig

21
Q

ip addr

A

Same reporting as ifconfig

22
Q

dig

A

Used to gather information and testing name resolution.

23
Q

Samba

A

Enables the integration of Linux and windows systems.

24
Q

cron

A

Allows you to schedule a job.

25
Nano
Open text based editor
26
Apt-get
Download files from repository
27
yum
Download files from repository
28
shutdown
Shut down Linux
29
Vi
Starts visual file editor
30
Man
System help for executable files
31
passwd
Changes passwords
32
iwconfig
Like if config but wireless
33
q
Quit