Linux Review

Question 1

Where is users info

Answer 1

Etc/passwd

Question 2

How to change a user shell

Answer 2

Usermod -s

Question 3

How to change comment

Answer 3

usermod -c

Question 4

How to delete a user

Answer 4

userdel

Question 5

How to lock a user acct

Answer 5

usermod -L

Question 6

How to search files or directory and format to do so

Answer 6

find destination -name “ “

Question 7

Awk format

Answer 7

awk ‘{ print $1 }” file

Question 8

How to get rid of duplicates

Answer 8

uniq

Question 9

What is $NF

Answer 9

Print last part of an entry

Question 10

How to search lines in a file or list and what is the format

Answer 10

grep word file

Question 11

What is the access log

Answer 11

Incoming requests to a web server

Question 12

What log shows connections to a server

Answer 12

sshlog

Question 13

How to set numbers in vim

Answer 13

:number line

Question 14

How to switch modes in vim

Answer 14

Etc

Question 16

How to exit and save in vim

Answer 16

:wq

Question 17

How to exit vim without saving

Answer 17

:w

Question 18

How to add a user in linux

Answer 18

useradd

Question 19

What does tar mean

Answer 19

Taped archive

Question 20

What log records installations, upgrades, removal, or config updates of software packages

Answer 20

dpkg log

Question 21

What is tar -cf

Answer 21

regular tar

Question 22

What is tar -xf

Answer 22

Extract files

Question 23

What is tar - tf

Answer 23

See contents without extracting

Question 24

What is tar -czf

Answer 24

gzip

Question 25

What is tar -cjf

Answer 25

bzip

Question 26

What is tar -cJf

Answer 26

xy compress

Question 27

What is tar bzip format

Answer 27

Tar -cjf name where