using python to interact with the operating system week 6 answers
Practice Quiz: Interacting with the Command Line
1. Which of the following commands will redirect errors in a script to a file?
- user@ubuntu:~$ ./calculator.py >> error_file.txt
- user@ubuntu:~$ ./calculator.py 2> error_file.txt
- user@ubuntu:~$ ./calculator.py > error_file.txt
- user@ubuntu:~$ ./calculator.py < error_file.txt
2. When running a kill command in a terminal, what type of signal is being sent to the process?
- SIGINT
- SIGSTOP
- PID
- SIGTERM
3. What is required in order to read from standard input using Python?
- echo file.txt
- cat file.txt
- The file descriptor of the STDIN stream
- Stdin file object from sys module
4. _____ are tokens delivered to running processes to indicate a desired action.
- Signals
- Methods
- Functions
- Commands
