operating systems and you becoming a power user week 1 answers
Basic Commands
1. Using a Linux machine, you have the following directory tree: [directory tree plugin]. If your current path is /home/cindy/Pictures/Canada, and you want to change to the Alaska directory, which of the following commands can you use? Check all that apply.
- ls ../Pictures/Alaska
- cd /Pictures/Alaska
- cd ../Alaska
- cd /home/cindy/Pictures/Alaska
2. In Bash, which of the following commands can be used to view a list of all files in the /home directory? Check all that apply.
- ls -la /home
- ls -l -a /home
- list -a /home
- ls -la ~
3. In Bash, which of the following commands can be used to remove a directory named "Miscellaneous Directory” ?
- rm -r Miscellaneous\ Directory
- rm Miscellaneous\ Directory
- rm -r Miscellaneous Directory
- rm Miscellaneous Directory
4. Which of the following are command line interfaces (CLI) on Windows OS? Select all that apply.
- Command Prompt
- Parameter
- PowerShell
- Bash
5. Which command is used in both Linux and Windows CLI to create a new directory?
- cd
- mkdir
- rm
- ls
6. In Bash, which of the following commands can be used to view the contents of a document? Check all that apply.
- less
- gat
- dog
- cat
7. A Linux machine has the following files:
apple.txt
banana.jpg
chocolate.txt
orange.txt
What command can be used to search for the word "fruit" in the text files? Check all that apply.
- find fruit apple.txt chocolate.txt orange.txt
- grep fruit apple.txt chocolate.txt orange.txt
- grep fruit *.txt
- find fruit apple.txt chocolate.txt
8. In Bash, which of the following commands can be used to view a list of all files in the /home directory? Check all that apply.
- ls -la /home
- ls -l -a /home
- list -a /home
- ls -la ~
9. A Linux machine has a file named "types_of_fish.txt". Which of the following commands can be used to append the word "trout" to the file contents?
- echo trout > types_of_fish.txt
- echo trout < types_of_fish.txt
- echo trout >> types_of_fish.txt
- echo trout 2> types_of_fish.txt
10. Using a linux machine, which of the following commands can be used to list through a directory called /home/ben/Documents and search for the word "important" in the filenames in that directory?
- ls /home/ben/Documents< grep important
- ls /home/ben/Documents >> grep important
- ls /home/ben/Documents > grep important
- ls /home/ben/Documents | grep important
11. Which command can be used on Windows CLI to see the first 10 lines of a file called “more_information.txt”?
- ls more_information.txt -head 10
- less more_information.txt -head 10
- head more_information.txt
- cat more_information.txt -head 10