<h3 id="heading-instruction-for-ubuntu-2004">Instruction for Ubuntu 20.04</h3>
As you can see in this picture you can go to setting,then Select Appearance then select auto-hide the dock and slide it to enable.
If you want to hide the top bar to get better screen view.
1.) Press Ctrl+Alt+T on keyboard to open terminal. Then run the apt command to install the extension:
<pre><code>sudo apt install gnome-shell-extension-autohidetopbar
</code></pre>Type user password for sudo prompt and hit Enter.
2.) Once installed, restart Gnome Shell by pressing Alt+F2 and type r in the pop-up “Run a Command” box and hit Enter.
3.) Finally open either Extensions or Gnome Tweaks (both available to install in Software), and enable “Hide Top Bar” extension.
It was a useful find for me , now I'm enjoying the full screen mode for coding and browsing.
<h3 id="heading-instruction-for-ubuntu-2204">Instruction for Ubuntu 22.04</h3>
<ol>
<li>Open terminal ctrl+alt+T and do a update -&gt; apt update</li>
<li>If not a root user then use sudo<pre><code>sudo apt install gnome-shell-extension-manager -y
</code></pre></li>
<li>click on show applications </li>
<li>search for Extensions Manager and open it.</li>
</ol>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1663466644577/SoyKZ3dB3.png" alt="image.png" />
<ol>
<li>Switch to Browse Tab </li>
<li>Search for hide top bar</li>
<li>Install the one that is enabled and supported.</li>
<li>Switch to Install Tab to see the Hide Top Bar and enable/disable to check it out.</li>
</ol>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1663466902748/BEAYuz-aS.png" alt="image.png" />

### Instruction for Ubuntu 20.04
As you can see in this picture you can go to setting,then Select **Appearance** then select **auto-hide the dock** and slide it to enable.
If you want to hide the top bar to get better screen view.

1.) Press Ctrl+Alt+T on keyboard to open terminal. Then run the apt command to install the extension:

```
sudo apt install gnome-shell-extension-autohidetopbar
```

Type user password  for sudo prompt and hit Enter.
2.) Once installed, restart Gnome Shell by pressing Alt+F2 and type r in the pop-up “Run a Command” box and hit Enter.
3.) Finally open either Extensions or Gnome Tweaks (both available to install in Software), and enable “Hide Top Bar” extension.

It was a useful find for me , now I'm enjoying the full screen mode for coding and browsing.

### Instruction for Ubuntu 22.04
1. Open terminal ctrl+alt+T and do a update -> apt update
2. If not a root user then use sudo
```
sudo apt install gnome-shell-extension-manager -y
```
3. click on show applications 
4. search for Extensions Manager and open it.

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1663466644577/SoyKZ3dB3.png align="left")
5. Switch to Browse Tab 
6. Search for hide top bar
7. Install the one that is enabled and supported.
8. Switch to Install Tab to see the Hide Top Bar and enable/disable to check it out.

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1663466902748/BEAYuz-aS.png align="left")



How to hide the side bar and the top bar to get more screen space.

For Ubuntu 20.04 and also 22.04

Ubuntu - how to Hide top bar and Side bar

I would like to write about techs that matters to me and you like security of your system and many other things that you and I face everyday in our work and personal life.Learning DevOps,so watch out.


Now a days secure connection matters most when we open a site or app in our system or mobile. so my own concerns about not getting enough security in spite of using an antivirus or firewall or VPN.