Answer- Case Study- 2 Issues: The agreement between Richard and his father comes under the category of social or domestic contracts. Issue involved here is about the validity of contract between Richard and his Father and Richard claim his money from him?

1. fc stands for

a) find command

b) fix command

c) both find & fix command

d) none of the mentioned

2. Which command is used to re-execute the previous command? Explain farther.

a) !!

b) !cat

c) !3

d) !$

3. Which one of the following ability is not correct about job control in bash shell?

a) it is the ability to stop and resume any process running in shell at a later point

b) user employs this facility via an interactive interface supplied by the kernel's terminal driver and bash

c) it is the ability to build any process

d) none of the mentioned

4. Which code in os allows to view the current jobs being handled by the shell?

a) jobs

b) view

c) show

d) none of the mentioned

5. What is job number and explain the answer?

a) same as PID

b) a unique number, assigned to each job in shell

c) same as PID and a unique number, assigned to each job in shell

d) none of the mentioned

6. Ctrl-Z key coordination

a) generates a SIGINT signal

b) stops the process running in the shell

c) kills the process running in the shell

d) generates a SIGINT signal & kills the process running in the shell

7. Which code brings a background job into the foreground?

a) fg

b) bg

c) jobs %1

d) none of the mentioned

8. The command 'kill %s' does and give farther explanation

a) terminate the job whose command line starts with s

b) terminate the last job

c) terminate the first job

d) none of the mentioned

9. Explain what'stty tostop' command does

a) stop all jobs running in the shell

b) stop background jobs if they try to send output to the terminal

c) this is not a valid command

d) none of the mentioned

10. Which command terminates a running process by name of the process? And explain your aswer.

a) kill

b) pkill

c) killall

d) none of the mentioned