Examen T10

Question 1

Which command would you use to clean the screen of the terminal?

Accepted Answer

clear

Answer

Clear

Answer

clean

Answer

CLEAR

Question 2

If A=1, select the option that will display: 
hello 1

Accepted Answer

echo "hello $A"

Answer

all are correct

Answer

echo `hello 1`

Answer

echo 'hello $A'

Question 3

What will be the result of:
expr `expr 5 % 2` + 6

Accepted Answer

7

Answer

10

Answer

9

Answer

8

Question 4

Which command doesn't show any information about the user you are connected with?

Accepted Answer

whoami

Answer

hostname

Answer

who

Answer

finger

Question 5

Which command/s give information about a Linux command?

Accepted Answer

man

Answer

help

Answer

a and b are correct

Answer

no one is correct

Question 6

The "set" command displays the full list of environment variables on standard output

Accepted Answer

Verdadero

Answer

Falso

Question 7

Which command allows us restarting the system in a controlled way?

Accepted Answer

reboot

Answer

shutdown

Answer

no one is correct

Answer

startx

Question 8

The command "time" shows the hour of the moment when it is executed

Accepted Answer

Falso

Answer

Verdadero

Question 9

Which command shows the content of a file?

Accepted Answer

cat

Answer

dir

Answer

cd

Answer

echo

Question 10

How does the command 
chmod u+x,g-rw f1
 affect to f1?

Accepted Answer

it gives execution permissions to the owner user and removes read and write premissions to the owner group

Answer

it gives all permissions to the owner user and removes all premissions to the owner group

Answer

it gives read permissions to the owner user and removes execution premissions to the owner group

Answer

it gives execution and write permissions to the owner user and removes write premissions to the owner group

Question 11

What would you write if you want to give all permissions to a file f2? 
hint: command  and 3 numbers

Accepted Answer

chmod 777

Answer

chmod

Question 12

Which command changes the owner user of a file or directory

Accepted Answer

chown

Answer

changeowner

Answer

chmod

Answer

chgrp

Question 13

cmp and diff commands both compares files

Accepted Answer

Verdadero

Answer

Falso

Question 14

Which command allows to create links between files?

Accepted Answer

ln

Answer

ls

Answer

a and b are correct

Answer

no one is correct

Question 15

The command "mv" doesn't allow to rename a directory

Accepted Answer

Falso

Answer

Verdadero

Question 16

Which option shows the absolute path of the actual location?

Accepted Answer

pwd

Answer

echo $PWD

Answer

a and b are correct

Answer

no one is correct

Question 17

Those commands will display the same result:
hostname
echo $HOSTNAME

Accepted Answer

Verdadero

Answer

Falso

Question 18

The "rmdir" command:

Accepted Answer

removes empty directories

Answer

removes directories even if they are not empty

Answer

doesn't remove directories

Answer

it is only to remove files

Question 19

Which command shows the content of the input in alphabetical order

Accepted Answer

sort

Answer

cap

Answer

tail

Answer

head

Examen T10

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Comentarios · 0

Which command would you use to clean the screen of the terminal?

If A=1, select the option that will display: hello 1

What will be the result of: expr `expr 5 % 2` + 6

Which command doesn't show any information about the user you are connected with?

Which command/s give information about a Linux command?

The "set" command displays the full list of environment variables on standard output

Which command allows us restarting the system in a controlled way?

The command "time" shows the hour of the moment when it is executed

Which command shows the content of a file?

How does the command chmod u+x,g-rw f1 affect to f1?

What would you write if you want to give all permissions to a file f2? hint: command and 3 numbers

Which command changes the owner user of a file or directory

cmp and diff commands both compares files

Which command allows to create links between files?

The command "mv" doesn't allow to rename a directory

Which option shows the absolute path of the actual location?

Those commands will display the same result: hostname echo $HOSTNAME

The "rmdir" command:

Which command shows the content of the input in alphabetical order