How to Make Download Speeds Faster on a Mac
Although the leap from dial-up Internet access to broadband provides an amazing speed boost, at some point even broadband users can get impatient with their connection speed; it's particularly likely when downloading a large file or streaming a high-def movie. There are utilities you can install, both free and for-pay, but you can try a relatively simple system tweak instead. This quick tweak enables your Mac to download files from the Internet faster by increasing the receive buffer size. Additionally, you’ll notice that your browser loads Web pages faster. You will have to refresh this process after each reboot.
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Instructions
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Click on the Apple icon located on the top-left corner of your screen.
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Open a Terminal window either by searching "terminal" using Spotlight (click on the magnifying glass icon in the upper right hand corner of the screen) or locating it in the Finder.
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Type in the following phrase at the terminal prompt:
sudo -s
Then press the "Enter" key on the keyboard.
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Type in your password at the prompt and press "Enter" on the keyboard.
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Type in the following phrase at the terminal prompt:
sysctl -w net.inet.tcp.recvspace=65536
Then press "Enter" on the keyboard. This command will increase the incoming buffer size, allowing you to download faster.
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Type in the following phrase at the terminal prompt:
Exit
Then press "Enter" on the keyboard. Quit the Terminal utility.
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Tips & Warnings
If you’re not familiar with the terminal window, copy and paste the commands exactly as you see them here to avoid doing damage to your Mac operating system.
You’ll need to do this procedure after every system restart.
References
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Comments
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My terminal says, "sudo --s is an illegal command" and does not prompt for a password.
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Is there a way to avoid doing this every time you turn on your computer? That seems unnecessary. Why wouldn't these changes be saved in your system preferences?
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Terminal did not open after typing it in and pressing enter.
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when youre typing "sudo --s" but just a lot of gibberish pops up then instead put "sudo -s" then put in your password but don't expect any characters to show up for its a privacy thing or something, just type your password and press enter and it will work.
