/lab-bash

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Lab | Bash

Introduction

We are going to practice with bash, a shell and command-line language!

Setup

  1. Download the folder to your machine and navigate to it folder.

  2. Run the following command (without the $ sign):

$ ls

and you should see:

exercises  inputs  lorem  lorem-copy  modules  outputs  README.md
  1. Try to do the following exercises without changing the directory.

Exercises

  1. Print in console "Hello World".
  2. Create a directory called new_dir.
  3. Remove that directory.
  4. Copy the file sed.txt from the lorem folder to lorem-copy folder.
  5. Copy the other two files from the lorem folder to lorem-copy folder in just one line with the pipe ;.
  6. Show the sed.txt file content from the lorem folder.
  7. Show the at.txt file and lorem.txt file contents from lorem folder.
  8. Print the first 3 rows in sed.txt file from lorem-copy folder.
  9. Print the last 3 rows in sed.txt file from lorem-copy folder.
  10. Add Homo homini lupus. at the end of sed.txt file from lorem-copy folder.
  11. Print the last 3 rows in sed.txt file from lorem-copy folder. You should see Homo homini lupus..
  12. Replace all et repetitions by ET in at.txt file from lorem folder to lorem-copy folder. Look the sed command.
  13. Find who is the system user.
  14. Find which is your actual path.
  15. List all files with the extension .txt in lorem folder.
  16. Count the rows in sed.txt file from lorem folder. Look concatenate cat and wc with the pipe |.
  17. Count the files start with lorem in all directories.
  18. Count how many times et appears in at.txt from lorem folder.
  19. Count how many times et appears in at.txt from lorem-copy folder.

Bonus

  1. Store your name in a variable with read command.
  2. Print that variable.
  3. Create a new directory named with variable name.
  4. Remove that directory.
  5. For each file in lorem folder, print the number of characters of its name.