Question 1

To unhide the selected row

technology operating systems

CTRL + SHIFT + )
CTRL + SHIFT + (
CTRL + (
CTRL + U

Answer

Correct Option: B

Question 2

To apply the outline border to selected cells

technology operating systems

CTRL + SHIFT + _
CTRL + &
CTRL + SHIFT + &
CTRL + B

Answer

Correct Option: C

Question 3

To remove the outline border to selected cells

technology operating systems

CTRL + SHIFT + &
CTRL + SHIFT + _
CTRL + &
CTRL + B

Answer

Correct Option: B

Question 4

To insert a new worksheet

technology operating systems

CTRL + N
SHIFT + F11
CTRL + W
SHIFT + W

Answer

Correct Option: B

Question 5

_____________ is the command that writes the last 10 lines of a file to the screen.

technology operating systems

head
last
tail
cat

Answer

Correct Option: C

Question 6

Which command is used to change your password?

technology operating systems

pwd
Passwd
password
user

Answer

Correct Option: B

Question 7

Which command will display a calendar?

technology operating systems

ls
cat
grep
cal

Answer

Correct Option: D

Question 8

Which command can be used to display the contents of a file on the screen?

technology operating systems

dir
cp
cal
cat

Answer

Correct Option: D

Question 9

Which command would you use to create a sub-directory in your home directory?

technology operating systems

dir
rmdir
cd
mkdir

Answer

Correct Option: D

Question 10

_____________ is the command that writes the first 10 lines of a file to the screen.

technology operating systems

whereami
head
dir
ls

Answer

Correct Option: B

Question 11

The ________ command will display the absolute pathname for the directory that you are wokring in.

technology operating systems

pwd
cwd
dir
ls

Answer

Correct Option: A

Question 12

wc command will report mispelled words.

technology operating systems

True
False

Answer

Correct Option: A

Question 13

Which command allows you to determine if a host is connected to the Internet?

technology operating systems

ls
dir
ping
host

Answer

Correct Option: C

Question 14

The file assign4.html has permissions set as rwxrwxrwx

technology operating systems

The file is really a directory and was named incorrectly.
It is impossible for an html file to have permissions set that way.
Everyone can read, write, and execute the file.
The file can not be viewed on the WWW.

Answer

Correct Option: C

Question 15

What is the use of INITIALIZE verb?

technology operating systems

Used to initialize some value to a variable
Numeric values are set to zero, alphabetic and alphanumberic variables are set to spaces.
All variables are set to spaces.
None of the above

Answer

Correct Option: B

Question 16

When a thread blocks on I/O, which of the following are true?

technology operating systems

The thread enters the ready state
The thread enters the dead state
No other thread may perform I/O
The thread enters the waiting state

Answer

Correct Option: D

Question 17

What is the command used for redirecting the standard error (stderr) to a file?

technology operating systems

>>
2>
<2

Answer

Correct Option: C

Question 18

What is the result of doing the following? date >> file

technology operating systems

The date output is redirected to the file.
The date output is redirected and appended to the end of the file.
The date output is redirected and appended to the beginning of the file.
None of the above

Answer

Correct Option: B

Question 19

Which of the following will return the exit code of the last executed command?

technology operating systems

$%
$#
$?
$!

Answer

Correct Option: C

Question 20

What is the command used for changing the scope of a shell variable to a global variable?

technology operating systems

global
shell
export
None of the above

Answer

Correct Option: C

Description: operating systems Online Quiz - 60
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: operating systems

operating systems Online Quiz - 60

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