Linux Mastery

Question 1

open terminal

Answer 1

crtl + alt + t

Question 2

close terminal

Answer 2

crtl + d

Question 3

list of previous commands

Answer 3

history

Question 4

short cut for rerunning commands from history

Answer 4

!

Question 5

!!

the above does what

Answer 5

runs most recent command

Question 6

clear history all together

Answer 6

history -c; history -w

Question 7

short form options are

long form options are

Answer 7

one dash

two dash

Question 8

what can be chainged, long form or short form dashed

Answer 8

short form dashed

Question 9

the 3 sections of a command

Answer 9

command options inputs

Question 10

search a manual

Answer 10

man -k

Question 11

in the manual page [ ] brackets indicate

Answer 11

optional

Question 12

in the manual page < > angle brackets indicate

Answer 12

mandatory

Question 13

the pipe | is

Answer 13

either or

Question 14

[this]…

The three dots indicate?

Answer 14

multiple options

Question 15

4 types of commands

Answer 15

standard input
standard output
standard error
standard Data streams

Question 16

cat > output.txt

will do what?

Answer 16

add text to a file named output.txt

Question 17

cat > output.txt

will do what?

Answer 17

add text to a file without deleting text in output.txt

Question 18

standard output uses what number

Answer 18

1

Question 19

standard error uses what number

Answer 19

2

Question 20

standard input uses what number

Answer 20

0

Question 21

tty

Answer 21

tells where terminal is

Question 22

How would you redirect the standard output of the ls command to a file called output.txt

Answer 22

ls > output.txt

Question 23

-drwx

Answer 23

= file
d = directory
r = readable
w= writeable
x= execute

Question 24

files or directories that begin with dots are

Answer 24

hidden