Class 19

Question 1

What parameter gives the status code returned by the last command run?

Answer 1

?

Question 2

What parameter gives the total number of arguments passed to a script from the command line?

Answer 2

#

Question 3

What parameter gives the full pathname of the script that is currently being run?

Answer 3

0

Question 4

What parameter gives the first command line argument to a script or function?

Answer 4

1

Question 5

If you wanted to use the value of the variable team inside quotes, what kind of quotes would you use?

Answer 5

double quotes, “

Question 6

If you wanted to remove the value of the variable team, what would you type at the command line?

Answer 6

team= or unset team

Question 7

What is the name of the first process created when the machine starts?

Answer 7

init or systemd

Question 8

Can two processes running at the same time have the same process ID number?

Answer 8

no

Question 9

Can a process ID number be reused after the process has finished?

Answer 9

yes

Question 10

If the process ID of your current shell is 15062, what is the parent process ID of a shell script you run from your current shell?

Answer 10

15062