# Homework

1. Find out which shell you are using

2. Find out where you are in file system

3. Go to home directory

4. Create a folder named `homework`

5. List the contents of home directory to a file named `~/homework/home_dir.txt`

6. Same as previous but also showing hidden files and permissions. Name it `~/homework/home_dir_all.txt`

7. Change to `homework` directory

8. Create an empty file named `empty.txt`

9. Make `empty.txt` a hidden file

10. Create a folder called `private` and change permissions so that only you can access it

11. Read the man page for the command `seq`

12. Use the command `seq` to generate a file with numbers from 1 to 1000

13. Bonus... use command `seq` to generate a file containing a list of ips from `10.2.8.1` to `10.2.8.254`. Hint `seq -f`

14. Bonus 2: use command `seq` to generate a file named `apples.txt` containing the following:

```
10 apples
11 apples
12 apples
13 apples
14 apples
15 apples
16 apples
17 apples
18 apples
19 apples
20 apples
```
hints: `seq -s`
hint 2: new line needs to be escaped as `\\n`

15. If you cannot complete bonus 2 create the file manually using vi

16. Use `sed` to create a `pears.txt` file from the `apples.txt` file it should contains pears instead of apples

17. Create a `pairs_5.txt` file using either `sed` or `grep` to only contain the lines where the numbers end in 5 or zero. Hint: math will not be used. (string manipulation)

18. Create the following file `~/level1/level2/level3/level4/level5/level6/linux.txt`

19. Copy the `~/level1` directory with all the subdirectories to a folder called `level1_copy` Hint: `cp -r`

20. Create a bash script where the user places a path and the script lists all the files in that path. name it `myls.sh`

# To Take Home:

1. Complete `vimtutor`

2. Update and upgrade all packages on your pi

3. Install the `git` package

4. Use apt-get to remove all unnecessary files