Question 1

what is mobile phones version of linux OS by "The Linux Foundation" called ??

technology operating systems

LiMo
Moblin
Android
WebOS

Answer

Correct Option: B

Question 2

Which directory under the root contains the information on devices

technology operating systems

/usr/bin
/usr/sbin
/usr/peripherals/dev
/etc/dev

Answer

Correct Option: D

Question 3

Which directory under the root contains the information on devices

technology operating systems

/usr/bin
/usr/sbin
/usr/peripherals/dev
/etc/dev

Answer

Correct Option: D

Question 4

For some file the access permissions are modified to 764. Which of the following

technology operating systems

Every one can read, group can execute only and the owner can read and write
Every one can read and write, but owner alone can execute
Every one can read, group including owner can write, owner alone can execute
None

Answer

Correct Option: C

Question 5

What is a system call()

technology operating systems

A request by the users to access kernel functions
A request by kernel to the device
A request by the device to kernel
None

Answer

Correct Option: A

Question 6

What is SPOOL?

technology operating systems

A mechanism to connect to printer, keyboard and monitor in linux
A mechanism to share printer across users
A request made by the device to linux kernel
None

Answer

Correct Option: B

Question 7

How to sort a file in decending order

technology operating systems

sort -d
sort
sort -r
sort -R

Answer

Correct Option: C

Question 8

What is a named pipe?

technology operating systems

A Pipe used by kernel to access device
A pipe to be used by the user to access device
An abstraction to provide support for inter process communication
A device

Answer

Correct Option: C

Question 9

Count the number of errors in the statement if [password = password1] then echo password else password

technology operating systems

0
4
1
2

Answer

Correct Option: B

Question 10

What is the purpose of sync command?

technology operating systems

To synchronize user applications
To synchronize keyboard and monitor
To synchornize disk buffers
To syschronize main memory and cache memory

Answer

Correct Option: C

Question 11

User's with user id as 0 (Zero) are

technology operating systems

Printer users
Not allowed to login using rlogin/ssh
root users
User id cannot be 0

Answer

Correct Option: C

Question 12

What does the command umask 123 do?

technology operating systems

It sets file owner permissions to read and write
It sets the permissions of other users to read
It sets group permissions to read and execute
All of them

Answer

Correct Option: D

Question 13

Which command will create a hard link named "Link" to the "Test" file?

technology operating systems

ln -s Test Link
ln Test Link
ln / Link Test
ln -h Link Test

Answer

Correct Option: B

Question 14

Which group of letters are the file permissions that apply to a group in the string r--r-xrwx?

technology operating systems

r--
r -x
rwx
None

Answer

Correct Option: B

Question 15

What Linux file would you use when performing a rescue after a hard disk problem occurs?

technology operating systems

/dev/hda1
/dev/null
/dev/ram
/dev/tty

Answer

Correct Option: A

Question 16

Which command do you use to make the /etc/inputrc file immutable?

technology operating systems

chattr +i /etc/inputrc
chmod 666 inputrc
chmod g=rw inputrc
None

Answer

Correct Option: A

Question 17

What do you use the rp field in the /etc/printcap file to specify?

technology operating systems

A remote machine address
A printer on a remote machine
A remote printer address
Both a printer and a remote machine

Answer

Correct Option: B

Question 18

Which of these commands finds all lines on which the word "Linux" occurs and then deletes them in vi editor

technology operating systems

g:Linux/d
:g/Linux/d
g/d/Linux
Linux/:g/d

Answer

Correct Option: B

Question 19

How do I uncompress a file?

technology operating systems

gunzip/expand
gzip
zip
winzip

Answer

Correct Option: A

Question 20

How do I tar/untar a file?

technology operating systems

tar -cvf file/tar -xvf file
tar -xvf file /tar -cvf file
tar -cvf file.tar /tar -xvf file.tar /
tar -xvf file.tar /tar -cvf file.tar /

Answer

Correct Option: C

Description: operating systems Online Quiz - 64
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: operating systems

operating systems Online Quiz - 64

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