Lab | Bash

Introduction

In this lab, we are going to practice with bash, a shell and command-line language!

Setup

1. Fork the repo in your GitHub account, then clone the folder "lab-bash" to your machine and navigate to the folder.

2. Check the contents of the folder using the "ls" command.

$ ls

and you should see the following:

exercises  inputs  lorem  lorem-copy  modules  outputs  README.md

3. Stay in the same directory/folder and complete the following exercises:

Exercises

1. Using the echo command to print "Hello World" in the console. Here is some info about echo command [https://discuss.codecademy.com/t/what-are-practical-uses-of-the-echo-command/394788]
2. Create a new directory called new_dir.
3. Delete/Remove the directory new_dir.
4. Copy the file sed.txt from the lorem folder and paste it to the folder lorem-copy.
5. Copy the other two files from the lorem folder to the lorem-copy folder in just one line using semicolon ;.
6. Show the content of the sed.txt file from the lorem folder.
7. Show the contents of the at.txt file and the lorem.txt file from the lorem folder.
8. Print the first 3 rows in the sed.txt file from the lorem-copy folder.
9. Print the last 3 rows in the sed.txt file from the lorem-copy folder.
10. Add Homo homini lupus. at the end of the sed.txt file in the lorem-copy folder.
11. Print the last 3 rows in sed.txt file from lorem-copy folder. You should see Homo homini lupus..
12. sed command is used to replace the text in a file. Use the sed command to replace all occurances of et with ET, in the file at.txt file present in the folder lorem. You can use the following link to refer to sed commands [https://www.linode.com/docs/guides/manipulate-text-from-the-command-line-with-sed/] Check the contents of the sed.txt file using the cat command.
13. Find who is the system user.
14. Find the current path of the directory you are in.
15. List all files with the extension .txt in the lorem folder.
16. Count the rows in the sed.txt file from lorem folder. Concatenate cat and wc with the pipe |.
17. Count the files which start with lorem in all directories.

Bonus

20. Store your name in a variable with read command.
21. Print that variable.
22. Create a new directory named with variable name.
23. Remove that directory.