IT 244: Introduction to Linux/Unix - Answers to Class 19 Ungraded Quiz

IT 244: Introduction to Linux/Unix
Answers to Class 19 Ungraded Quiz

What parameter gives the status code returned by the last command run?
```
?
```
What parameter gives the total number of arguments passed to a script from the command line?
```
#
```
What parameter gives the full pathname of the script that is currently being run?
```
0
```
What parameter gives the first command line argument to a script or function?
```
1
```
If you wanted to use the value of the variable team inside quotes, what kind of quotes would you use?
```
double quotes, "
```
If you wanted to remove the value of the variable team, what would you type at the command line?
```
team=  or unset team
```
What is the name of the first process created when the machine starts?
```
init or systemd
```
Can two processes running at the same time have the same process ID number?
```
no
```
Can a process ID number be reused after the process has finished?
```
yes
```
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?
```
15062
```