Worksheet 1 - Linux commands - Revision history

EdmondLascaris: /* Exploring the Power of sudo */

2024-10-20T02:38:17Z

Exploring the Power of sudo

← Older revision		Revision as of 02:38, 20 October 2024
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	==Exploring the Power of sudo==		==Exploring the Power of sudo==
	Objective: Understand how the sudo command allows you to execute commands with administrative privileges.		Objective: Understand how the sudo command allows you to execute commands with administrative privileges.


	Instructions: In the terminal, type sudo apt update to update the list of available software. Observe how you are prompted to enter your password because the sudo command requires elevated privileges.		Instructions: In the terminal, type sudo apt update to update the list of available software. Observe how you are prompted to enter your password because the sudo command requires elevated privileges.
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	Challenge: Try running the apt update command without sudo and see what happens. This will help you understand why certain actions need administrative rights.		Challenge: Try running the apt update command without sudo and see what happens. This will help you understand why certain actions need administrative rights.


	==Finding Your Current Directory==		==Finding Your Current Directory==

EdmondLascaris: /* Real Linux Commands for Raspberry Pi: Student Worksheet */

2024-10-20T02:37:59Z

Real Linux Commands for Raspberry Pi: Student Worksheet

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 Challenge: List the files in your current directory with details like file permissions, size, and date of modification.
 Test: Can you find which file was modified most recently?
 ==Finding Your Current Directory==

EdmondLascaris: Created page with "=Real Linux Commands for Raspberry Pi: Student Worksheet= == Listing Files and Folders== ls -l Challenge: List the files in your current directory with details like file permissions, size, and date of modification. Test: Can you find which file was modified most recently? ==Finding Your Current Directory== pwd Challenge: Use this command to print your working directory..."

2024-10-15T05:16:57Z

Created page with "=Real Linux Commands for Raspberry Pi: Student Worksheet= == Listing Files and Folders== <syntaxhighlight lang="bash"> ls -l </syntaxhighlight> Challenge: List the files in your current directory with details like file permissions, size, and date of modification. Test: Can you find which file was modified most recently? ==Finding Your Current Directory== <syntaxhighlight lang="bash"> pwd </syntaxhighlight> Challenge: Use this command to print your working directory..."

New page

=Real Linux Commands for Raspberry Pi: Student Worksheet=

== Listing Files and Folders==

<syntaxhighlight lang="bash">
ls -l
</syntaxhighlight>

Challenge: List the files in your current directory with details like file permissions, size, and date of modification.
Test: Can you find which file was modified most recently?

==Finding Your Current Directory==

<syntaxhighlight lang="bash">
pwd
</syntaxhighlight>

Challenge: Use this command to print your working directory (the folder you're in).
Test: Can you navigate to the /home directory and print its path using this command?

==Changing Directories==
<syntaxhighlight lang="bash">
cd
</syntaxhighlight>

Challenge: Navigate to a directory (e.g., /home/pi/Documents) using this command.
Test: Use cd .. to go back one directory. How can you go back two directories in one command?

==Creating a New Folder==
<syntaxhighlight lang="bash">
mkdir new_folder
</syntaxhighlight>

Challenge: Create a new folder called projects in your home directory.
Test: Can you create a folder named data inside projects?

==Moving and Renaming Files==
<syntaxhighlight lang="bash">
mv file.txt new_folder/
</syntaxhighlight>

Challenge: Move a file called report.txt to the projects folder you created earlier.
Test: Can you rename report.txt to summary.txt while moving it to projects?

==Copying Files==

<syntaxhighlight lang="bash">
cp file.txt backup.txt
</syntaxhighlight>

Challenge: Copy a file called summary.txt to backup_summary.txt.
Test: Can you copy the entire projects folder to another folder called backup_projects?

==Deleting Files==
<syntaxhighlight lang="bash">
rm file.txt
</syntaxhighlight>

Challenge: Delete the backup_summary.txt file from your home directory.
Test: How would you remove the entire backup_projects folder? (Hint: rm -r)

==Viewing File Contents==
<syntaxhighlight lang="bash">
cat file.txt
</syntaxhighlight>

Challenge: Use this command to display the contents of summary.txt.
Test: How can you display only the first 5 lines of a file? (Hint: Look up the head command)

==Finding Text Inside Files
<syntaxhighlight lang="bash">
grep "search_text" file.txt
</syntaxhighlight>

Challenge: Search for the word temperature in the summary.txt file.
Test: How would you find all occurrences of the word error in a log file called system.log?

==Viewing System Information==
<syntaxhighlight lang="bash">
df -h
</syntaxhighlight>

Challenge: Display the available disk space on your Raspberry Pi using df -h.
Test: How much space is available on the /boot partition?

==Bonus Challenge:==
Can you combine commands? For example, try combining ls with grep to find files with specific names. Run this:

<syntaxhighlight lang="bash">
ls | grep ".txt"
</syntaxhighlight>