How to Block Facebook Using the Hosts File on Windows and macOS and Linux

For Windows:

1, Open Notepad as Administrator:

• Press Win + S and type "Notepad."
• Right-click on Notepad and choose "Run as administrator."

2, Open the Hosts File:

• In Notepad, go to File > Open.
• Navigate to C:\Windows\System32\drivers\etc.
• Change the file type from "Text Documents" to "All Files" in the bottom right corner.
• Select the hosts file and click "Open."

3, Edit the Hosts File:

• At the bottom of the file, add the following lines:

• This redirects Facebook's URLs to your local machine, effectively blocking access.

4, Save the File:

• Save the changes (Ctrl + S) and close Notepad.

5, Flush DNS (Optional):

• To ensure the changes take effect immediately, you can flush the DNS cache.
• Open Command Prompt as Administrator (Win + X > "Command Prompt (Admin)").
• Type ipconfig /flushdns and press Enter.

For macOS and Linux:

1, Open Terminal:

• On macOS, you can find Terminal in Applications > Utilities.
• On Linux, Terminal is typically found in the system's main menu.

2,Edit the Hosts File:

• Type the following command to open the hosts file in a text editor:

• Enter your password when prompted.

3, Add the Blocking Lines:

• At the bottom of the file, add the following lines:

4, Save and Exit:

• Save the changes by pressing Ctrl + O, then press Enter.
• Exit the editor by pressing Ctrl + X.

5, Flush DNS (Optional):

• On macOS, use:

• On Linux, you might need to restart the DNS service or use:

Testing:

Open your web browser and try to visit facebook.com. It should be blocked.
These steps should effectively block Facebook on your computer.