Basics of OS, Unix and Shell Programming

Q1. Shell scripts are applied in a particular child shell system.

TRUE

FALSE

Q2. Is it true that Shell scripts require to be associated with an extension .sh .?

FALSE

TRUE

Q3. The internal tool of the shell is a real command.

TRUE

FALSE

Q4. To generate a child of your own choice for running the script, you can use the ___ command

ps

$$

pr

sh

Q5. What is the principal goal of the command interpreter?

none of the mentioned

to provide the interface between the API and application program

to handle the files in operating system

to get and execute the next user-specified command

Q6. what form the following are handled by the operating system?

power failure

all of the mentioned

connection failure in the network

lack of paper in printer

Q7. The first line in each shell script starts with a _____

chmod +w

chmod +r

chmod +rwx

chmod +x

Q8. Which command is handled for creating the scripts interactive?

read

input

ip

write

Q9. What is an operating system?

all of the mentioned

link to interface the hardware and application programs

collection of programs that manages hardware resources

system service provider to the application programs

Q10. What does one mean by positional parameters?

special variables for assigning arguments from the command line

pattern matching parameters

special variables for reading user input

special variables and patterns

Q11. To locate the services of an OS, the interface is implemented by the ___________

Assembly instructions

Library

System calls

API

Q12. What do you imagine about a shell script?

group of functions

a file containing special symbols

a file containing a series of commands

group of commands

Q13. Which one of the subsequent is not true?

kernel is the first part of operating system to load into memory during booting

kernel is made of various modules which can not be loaded in running operating system

kernel is the program that constitutes the central core of the operating system

kernel remains in the memory during the entire computer session

Q14. The first line in any shell script starts with a _____

!

$

&

#

Q15. An individual read observation can be implemented with one or more variables.

TRUE

FALSE

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Basics of OS, Unix and Shell Programming

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