Linux Commands Flashcards

1
Q

Su

A

Switch user
(Linux)

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2
Q

Sudo

A

Elevate to root user permission

(Linux)

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3
Q

Useradd

A

Add users

(Linux)

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4
Q

Usermod

A

Modify users

(Linux)

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5
Q

Userdel

A

Delete users

(Linux)

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6
Q

Groupadd

A

Add group

(Linux)

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7
Q

Groupmod

A

Modify groups

(Linux)

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8
Q

Groupdel

A

Delete group

(Linux)

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9
Q

Chmod

A

Change mod
Change user, groups, and everyone permissions
R(4) W(2) X(1) = 7

(Linux)

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10
Q

Chown

A

Change owner of files

(Linux)

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11
Q

Chgrp

A

Change group permissions of a file

(Linux)

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12
Q

Apt

A

Application manager for Debian based systems

(Linux)

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13
Q

Rpm —> yum —> dnf

A

Red hat based application manager

(Linux)

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14
Q

Samba

A

Linux smb that allows it to communicate with windows

(Linux)

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15
Q

Cron

A

Linux scheduling service

(Linux)

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16
Q

Ls

A

List command
(Same as dir)

(Linux)

17
Q

PWD

A

Print working directory

(Linux)

18
Q

MV

A

Move command

(Linux)

19
Q

CP

A

Copy

(Linux)

20
Q

RM

A

Remove

(Linux)

21
Q

DF

A

Disk space available on filesystem

(Linux)

22
Q

DU

A

Disk usage
See all files and how much disk space they are using

(Linux)

23
Q

Nano and Pico

A

Visual text editors

(Linux)

24
Q

VI and VIM

A

More difficult but advanced text editors

(Linux)

25
Cat
Concatenating Or displaying the contents of files (Linux)
26
Find
Search for a file (Linux)
27
Grep
Search for content inside of a file (Linux)
28
PS
Shows process ID (Linux)
29
TOP
Shows running processes and memory usage (Linux)
30
IP
Ipconfig (Linux)
31
Dig
DNS information (Linux)
32
Man
Manual (Better help) (Linux)