readme.md

Day 01

Welcome to the start of Challnges on the Topic Linux!

Introduction

In todays challenge we will use folders and files with the following commands

• man
• mkdir
• cd
• touch
• vi
• cat
• awk
• chown
• sh
• rm

Prerequisites

• an installed Ubuntu system or Ubuntu in WSL

Challenge

Challenge 1

At first we look at the man pages.

Challenge 2

• Create a project folder with mkdir

mkdir project

Make the current user owner of the folder with chown

chown $USER project

Change into the folder with cd

cd project/

Challenge 3

Create a file with touch

touch file.txt

Open the file in the Texteditor vi

vi file.txt

Press i to be able to edit the file Write some text to the file

This is some text.

Exit the file by pressing Escape and :wq

• Escape stops the insert mode.
• w is for write
• q is for quit

print the text from the file to the terminal with cat

cat file.txt

It should now display something like

user@host:~$ cat file.txt
This is some text.

We can also just get single words with awk

cat file.txt | awk '{print $3}'

user@host:~$ cat file.txt | awk '{print $3}'
some

Challenge 4

• Analyze the Textfile netauto.txt
• How can you print out the word conclusion?