Commands:
<ol>
<li>View the content of a file (cat):
<pre><code class="lang-plaintext"> shellCopy code$ cat file.txt
</code></pre>
</li>
<li>Change the access permissions of files (chmod):
<pre><code class="lang-plaintext"> shellCopy code$ chmod permissions filename
</code></pre>
</li>
<li>Check the command history (history):
<pre><code class="lang-plaintext"> shellCopy code$ history
</code></pre>
</li>
<li>Remove a directory/folder (rmdir):
<pre><code class="lang-plaintext"> shellCopy code$ rmdir folder_name
</code></pre>
</li>
<li>Create a file and view the content (touch and cat):
<pre><code class="lang-plaintext"> shellCopy code$ touch fruits.txt
 $ cat fruits.txt
</code></pre>
</li>
<li>Add content to devops.txt (echo and redirect):
<pre><code class="lang-plaintext"> swiftCopy code$ echo -e "Apple\nMango\nBanana\nCherry\nKiwi\nOrange\nGuava" &gt; devops.txt
</code></pre>
</li>
<li>Show only the top three fruits (head):
<pre><code class="lang-plaintext"> shellCopy code$ head -n 3 devops.txt
</code></pre>
</li>
<li>Show only the bottom three fruits (tail):
<pre><code class="lang-plaintext"> shellCopy code$ tail -n 3 devops.txt
</code></pre>
</li>
<li>Create another file Colors.txt and view the content (touch and cat):
<pre><code class="lang-plaintext"> shellCopy code$ touch Colors.txt
 $ cat Colors.txt
</code></pre>
</li>
<li>Add content to Colors.txt (echo and redirect):
<pre><code class="lang-plaintext">swiftCopy code$ echo -e "Red\nPink\nWhite\nBlack\nBlue\nOrange\nPurple\nGrey" &gt; Colors.txt
</code></pre>
</li>
<li>Find the difference between fruits.txt and Colors.txt file (diff):
<pre><code class="lang-plaintext">rubyCopy code$ diff fruits.txt Colors.txt
</code></pre>
</li>
</ol>

**Commands:**

1. View the content of a file (cat):
    
    ```plaintext
    shellCopy code$ cat file.txt
    ```
    
2. Change the access permissions of files (chmod):
    
    ```plaintext
    shellCopy code$ chmod permissions filename
    ```
    
3. Check the command history (history):
    
    ```plaintext
    shellCopy code$ history
    ```
    
4. Remove a directory/folder (rmdir):
    
    ```plaintext
    shellCopy code$ rmdir folder_name
    ```
    
5. Create a file and view the content (touch and cat):
    
    ```plaintext
    shellCopy code$ touch fruits.txt
    $ cat fruits.txt
    ```
    
6. Add content to devops.txt (echo and redirect):
    
    ```plaintext
    swiftCopy code$ echo -e "Apple\nMango\nBanana\nCherry\nKiwi\nOrange\nGuava" > devops.txt
    ```
    
7. Show only the top three fruits (head):
    
    ```plaintext
    shellCopy code$ head -n 3 devops.txt
    ```
    
8. Show only the bottom three fruits (tail):
    
    ```plaintext
    shellCopy code$ tail -n 3 devops.txt
    ```
    
9. Create another file Colors.txt and view the content (touch and cat):
    
    ```plaintext
    shellCopy code$ touch Colors.txt
    $ cat Colors.txt
    ```
    
10. Add content to Colors.txt (echo and redirect):
    
    ```plaintext
    swiftCopy code$ echo -e "Red\nPink\nWhite\nBlack\nBlue\nOrange\nPurple\nGrey" > Colors.txt
    ```
    
11. Find the difference between fruits.txt and Colors.txt file (diff):
    
    ```plaintext
    rubyCopy code$ diff fruits.txt Colors.txt
    ```

Day 3- Basic Linux Commands