<h1 id="heading-whoami-command-cheatsheet"><code>whoami</code> Command Cheatsheet</h1>
<p>The <code>whoami</code> command is used to display the current logged-in user’s username. It is a simple yet useful command, particularly for scripting and troubleshooting.</p>
<h2 id="heading-syntax">Syntax</h2>
<pre><code class="lang-bash">whoami
</code></pre>
<h2 id="heading-description">Description</h2>
<ul>
<li><strong>Purpose</strong>: Returns the username of the current user.</li>
</ul>
<h2 id="heading-examples-and-use-cases">Examples and Use Cases</h2>
<h3 id="heading-display-current-user">Display Current User</h3>
<pre><code class="lang-bash">whoami
</code></pre>
<ul>
<li>Outputs the username of the currently logged-in user (e.g., <code>john</code>).</li>
</ul>
<h3 id="heading-use-in-scripts">Use in Scripts</h3>
<p>You can use <code>whoami</code> in scripts to dynamically reference the current user. For example:</p>
<pre><code class="lang-bash"><span class="hljs-meta">#!/bin/bash</span>
<span class="hljs-built_in">echo</span> <span class="hljs-string">"Current user is: <span class="hljs-subst">$(whoami)</span>"</span>
</code></pre>
<ul>
<li>This script will print the current user’s name.</li>
</ul>
<h3 id="heading-check-user-privileges">Check User Privileges</h3>
<p>Combine <code>whoami</code> with <code>id</code> to display user and group information:</p>
<pre><code class="lang-bash">whoami
id -u $(whoami)
</code></pre>
<ul>
<li>Outputs the user ID of the current user.</li>
</ul>
<h2 id="heading-options">Options</h2>
<p><code>whoami</code> has no options. It simply returns the username.</p>
<h2 id="heading-additional-information">Additional Information</h2>
<ul>
<li><p><strong>Man Page</strong>: For more details, you can refer to the <code>whoami</code> man page:</p>
<pre><code class="lang-bash">  man whoami
</code></pre>
</li>
</ul>
<hr />
<p>This cheatsheet provides a quick reference to the <code>whoami</code> command. Let me know if you need more information or additional examples!</p>


# `whoami` Command Cheatsheet

The `whoami` command is used to display the current logged-in user’s username. It is a simple yet useful command, particularly for scripting and troubleshooting.

## Syntax

```bash
whoami
```

## Description

* **Purpose**: Returns the username of the current user.
    

## Examples and Use Cases

### Display Current User

```bash
whoami
```

* Outputs the username of the currently logged-in user (e.g., `john`).
    

### Use in Scripts

You can use `whoami` in scripts to dynamically reference the current user. For example:

```bash
#!/bin/bash
echo "Current user is: $(whoami)"
```

* This script will print the current user’s name.
    

### Check User Privileges

Combine `whoami` with `id` to display user and group information:

```bash
whoami
id -u $(whoami)
```

* Outputs the user ID of the current user.
    

## Options

`whoami` has no options. It simply returns the username.

## Additional Information

* **Man Page**: For more details, you can refer to the `whoami` man page:
    
    ```bash
    man whoami
    ```
    

---

This cheatsheet provides a quick reference to the `whoami` command. Let me know if you need more information or additional examples!

Cheat Sheet #day55 - whoami

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Cheat Sheet #day55 - whoami

whoami Command Cheatsheet

Syntax

Description

Examples and Use Cases

Display Current User

Use in Scripts

Check User Privileges

Options

Additional Information

`whoami` Command Cheatsheet