Module 2：Linux Fundamentals Part 1

Linux Fundamentals Part 1

Embark on the journey of learning the fundamentals of Linux. Learn to run some of the first essential commands on an interactive terminal.

TryHackMe | Linux Fundamentals (Pt1)

文章目录

• [Linux Fundamentals Part 1](#Linux Fundamentals Part 1)
• • • [Task 1 Introduction](#Task 1 Introduction)
    • [Task 2 Talking to Linux](#Task 2 Talking to Linux)
    • [Task 3 Finding Your Way Around](#Task 3 Finding Your Way Around)
    • [Task 4 Let the Machine Do the Searching](#Task 4 Let the Machine Do the Searching)
    • [Task 5 Shell Operators (Combining Commands)](#Task 5 Shell Operators (Combining Commands))

Task 1 Introduction

Task 2 Talking to Linux

You'll need to...

1. Use the whoami command to see who you are on the system.
2. Press the Enter key to run the command.
3. Now, use echo to output the text TryHackMe.

Answer the questions below
What command would we use to find out who we are on the system?

Correct Answer：whoami

Answer the questions below
What command would we use to output some text?

Correct Answer：echo

Task 3 Finding Your Way Around

You'll need to...

1. Run ls to see what's in your home folder.
2. Use cd to change folder. We will want to use ls again to see what files are now in the folder we've entered (known as working directory).
3. Use cat to output the contents of any file.
4. Lost? Use pwd to see where we are within the system.

Answer the questions below
Run ls in the current folder. How many folders are there?

Correct Answer：4

One of those folders contains a file. Which folder is it?
Correct Answer：folder1

Use cat to read the file within this folder. What does it say?
Correct Answer：password123

Task 4 Let the Machine Do the Searching

You'll need to...

1. Type cd /home/tryhackme to return to your home folder.

2. Run grep "THM" access.log to use grep to search the log file for us.

3. Copy the THM{} output that has been found.

Answer the questions below
After using grep THM access.log a flag was found. What is the flag?

Correct Answer：THM{ACCESS}

Task 5 Shell Operators (Combining Commands)

Answer the questions below
What operator waits for the first command to finish before running the next command?

Correct Answer：&&

What redirector allows us to save the output of a command without overwriting the contents of a file?

Correct Answer：>>