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Welcome to the Jobs and Processes MCQs Page

Dive deep into the fascinating world of Jobs and Processes with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Jobs and Processes, a crucial aspect of UNIX. In this section, you will encounter a diverse range of MCQs that cover various aspects of Jobs and Processes, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UNIX.

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Check out the MCQs below to embark on an enriching journey through Jobs and Processes. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UNIX.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Jobs and Processes. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Jobs and Processes MCQs | Page 5 of 13

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Q41.
The cron tab is a table having a list of commands that are scheduled to be run at regular intervals.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q42.
Which of the following command will remove the current crontab?

a.

crontab -p

b.

crontab -l

c.

crontab -e

d.

crontab -r

Discuss
Answer: (d).crontab -r
Q43.
To find out how efficiently a program a used the system resources, which command is used?

a.

sys

b.

time

c.

crontab

d.

daemon

Discuss
Answer: (b).time
Q44.
To start a process in the background, enter the command with this character at the end.

a.

$

b.

#

c.

&

d.

%

Discuss
Answer: (c).&
Q45.
Every process running on the system has a

a.

Permissions

b.

Process ID

c.

Both a and b

d.

Background job

Discuss
Answer: (b).Process ID
Q46.
Which of the following is not a job status?

a.

Idling

b.

Running

c.

Stopped

d.

Done

Discuss
Answer: (a).Idling
Q47.
Which of the following commands are useful to job and process management?

a.

Jobs

b.

Ps

c.

Top

d.

All of the above

Discuss
Answer: (d).All of the above
Q48.
The "nice" command is used to

a.

Communicate with other users

b.

Improve relationships

c.

Change Priority levels of running processes

d.

Create processes

Discuss
Answer: (c).Change Priority levels of running processes
Q49.
Processes with a nice level of -20

a.

are least nice

b.

are very nice

c.

are kind of nice

d.

are the nicest

Discuss
Answer: (a).are least nice
Q50.
The "renice" command needs these arguments.

a.

Nice level and process id

b.

Program name and nice level

c.

Job number and process id

d.

Job number and nice level

Discuss
Answer: (a).Nice level and process id
Page 5 of 13

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