More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
PPSC Computer Science Chapter 19 Operating System Online Test MCQs With Answers
Question # 1
Which command is used to set limits on file size.
Choose an answer
U limit
Alimit
dlimit
wilmit
Previous
Skip
Next
Question # 2
Printer in the file structure can be found in.
Choose an answer
/etc
/html
/www
/dev
Previous
Skip
Next
Question # 3
Which command can be used to know the present working directory.
Choose an answer
pad
pww
pwd
pdd
Previous
Skip
Next
Question # 4
File inode number can be viewed by.
Choose an answer
-8
-1
-a
-t
Previous
Skip
Next
Question # 5
Which LINUX command is used to update the modification time of a file.
Choose an answer
UPDATE
MODIFY
TOUCH
UNTOCUH
Previous
Skip
Next
Question # 6
Default permissions of file can be changed with.
Choose an answer
Group
Chperm
chmod
Chall
Previous
Skip
Next
Question # 7
All the abbreviations is vi editor can be shown by
Choose an answer
All
ab
atat
ashow
Previous
Skip
Next
Question # 8
Distributed system should.
Choose an answer
High security
Have better resource sharing
Better system utilization
Low system overhead
Previous
Skip
Next
Question # 9
Which is non pre emptive
Choose an answer
Round robin
FIFO
MS
MSF
Previous
Skip
Next
Question # 10
Distributed systems should.
Choose an answer
Meet time constraints
Aim better resource sharing
Aim better system utilization
Aim low system overhead
Previous
Skip
Next
Question # 11
Creating a job queue is a function of
Choose an answer
Spooler
Interpolator
Complier
Drive
Previous
Skip
Next
Question # 12
Dirty bit is used ot show
Choose an answer
Page with corrupted data
Wrong page in memory
Page that a modified after being loaded in the cache memory
Page that is less frequently accessed
Previous
Skip
Next
Question # 13
In vi editor which command sets the number for all lines.
Choose an answer
Set nu
Set ni
Set sn
Set sl
Previous
Skip
Next
Question # 14
Which one shows the name of the operating system.
Choose an answer
U name -n
Uname -I
U name - m
U name -o
Previous
Skip
Next
Question # 15
Which among following scheduling algorithms give minimum average waiting time.
Choose an answer
FCFS
SJF
Round rabin
On priority
Previous
Skip
Next
Question # 16
Seek analysis is for.
Choose an answer
Paging issues
Device busy problems
Control unit busy problems
All of above
Previous
Skip
Next
Question # 17
Which among following is considered as super daemon.
Choose an answer
Sysinit
Grep
Init
Locate
Previous
Skip
Next
Question # 18
Main function of shared memory is.
Choose an answer
To use primary memory efficiently
To do intra process communication
All of above
None
Previous
Skip
Next
Question # 19
Which process is known for initializing a microcomputer with its OS.
Choose an answer
Cold booting
Boot recording
Booting
Warm booting
Previous
Skip
Next
Question # 20
Which among the following is used to write small program to control Linux Functionalities.
Choose an answer
Shell commands
Shell script
C
Java
Previous
Skip
Next
Question # 21
What is the meaning of SVR 4
Choose an answer
System five release 4
System version release 4
System five relocated 4
Storage files five release 4
Previous
Skip
Next
Back