Linux Shell History And tab compleyio

Question 1

Where is the shell history stored

Answer 1

~/.bash_history

~/.history

~/.histfile

Question 2

history

Answer 2

Displays computer shell history

Question 3

HISTSIZE

Answer 3

Controls the number of commands stored in history

Eg:
Export HISTSIZE=1000

Question 4

!NUmber

Answer 4

Rerun the command at a given number line from your shell history

Question 5

!!

Answer 5

Repeat the previous command line

Question 6

!string

Answer 6

Repeat the most recent line that starts with “string”

Question 7

!:1

Answer 7

Get the second part of a command line

Question 8

!^

Answer 8

!:1

Question 9

!$

Answer 9

The final argument

Question 10

Ctrl-r

Answer 10

Search your command line history for a certain command