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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 13 of 13

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Q121.
Which command is used to display all the running and active real-time processes?

a.

tp

b.

top

c.

vmstat

d.

lsof

Discuss
Answer: (b).top
Q122.
____ command displays the list of all open files and processes.

a.

top

b.

lsof

c.

vmstat

d.

pipe

Discuss
Answer: (b).lsof
Q123.
____ is a simple tool that will collect and show system input and output storage device statistics.

a.

top

b.

lsof

c.

vmstat

d.

Iostat

Discuss
Answer: (d).Iostat
Q124.
sar is a command line tool for collecting, viewing and recording performance data.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q125.
To override the default action and catch the signal ____ system call is used.

a.

sig

b.

SIGKILL

c.

signal

d.

SIGINT

Discuss
Answer: (c).signal
Q126.
Which of the following functions can be performed using signal system call?

a.

ignore the signal

b.

restore the default

c.

invoke a signal handling function

d.

ignore the signal, restore the default and invoke a signal handling function

Discuss
Answer: (d).ignore the signal, restore the default and invoke a signal handling function
Q127.
Which of the following signals can neither be ignored nor catch?

a.

SIGKILL

b.

SIGSTOP

c.

SIGKILL and SIGSTOP

d.

SIGALR

Discuss
Answer: (c).SIGKILL and SIGSTOP
Q128.
Which of the following comments about the signals system call are true?

a.

It takes up two arguments

b.

The first argument is an integer

c.

The second argument is a pointer to a function

d.

All of the above

Discuss
Answer: (d).All of the above
Q129.
Which of the following characteristics of the original process are preserved when, the exec system call is executed

a.

The current working directory

b.

The open files

c.

PID and PPID

d.

All of these

Discuss
Answer: (d).All of these
Q130.
Choose the correct statement.

a.

Any process has an associated owner ID and group ID

b.

Effective ID defines who you are for the duration of a process

c.

Real ID defines who you are for the duration of a process

d.

Both (a) & (b)

Discuss
Answer: (d).Both (a) & (b)
Page 13 of 13

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