• Mac has a command called say that will read back in a somewhat uncanny robot voice whatever you tell it to. The subsection heading above is a valid Bash command (on a Mac). The subsection heading.
• Forums Android Discussions Android Hacking Android Hacks and Help. Using adb and terminal on a mac. Discussion in 'Android Hacks and Help' started by Dandroid247. Even though I had changed directory in the previous command. Wouldn't work otherwise. Perhaps a Mac terminal expert can comment on why** #11 kaotik0c, Dec 29, 2009.

MacMost Now 613: Fun With the Terminal There are some odd and unusual things on your Mac that you can do with the Terminal. You can create banners, use your screen saver as your desktop background, look at interesting, daily calendars, and play hidden games.

Terminal is one of the utilities that is commonly found on UNIX-based computer such as Linux and Mac OS. It is where users can type commands asking the computer to perform certain tasks. Something like a DOS environment in Windows. Kinda geeky, isn’t it?

That’s why everyday computer users tend to avoid Terminal, even if they have a helpful guide for Mac Terminal beginners. People say that tinkering with the Terminal is not for the faint hearted. Because something could – and possibly would – go wrong.

But actually, there are fun things that we can do using the Terminal’s command line. Here are few of the simple ones.

1. Play the Old (Classics) Games

Mac OS X comes with GNU Emacs, part of GNU operating system, which can be accessed via Terminal. There are some old, classic games hidden there. They are far from beautiful if you compare them with all the graphically-intense ones that we have today. But to fill in some spare times, these ‘uglies’ will do just fine.
To access them, type in (or better yet, copy and paste) this command into the Terminal to access the GNU Emacs:

emacs

Click Enter, then continue with the key combination of “Esc + x”. Type in one of these game’s names to start playing:

5×5
blackbox
dunnet
gomoku
hanoi
landmark
mpuz
pong
snake
solitaire
tetris

I know some of them well (the last four on the list) while other names did not exist in my dictionary until just now. I tried to play them all but without any information or how-to’s, it’s a tough effort to carry out.

If you want to quit the game, use the key combination “Ctrl + x” followed by “Ctrl + c”

2. Watch the text-based episode of StarWars IV

I used to think that George Lucas skipped his early Math classes since he started the Star Wars sagas with number IV. Yet, I’m always a big fan of Luke and Leia.

If you feel like being nostalgic (and have plenty of free time to spare), why don’t you connect to the net, open the terminal and type in:

telnet towel.blinkenlights.nl

That’s how far a REAL fan will go. (And if you are lucky enough to have IPv6, you’ll get more scenes and – drum roll, please – color!)

3. Talking Terminal

Still have so much time to spare but no one to spare the time with? You could have the terminal talking to keep you company.

Just type in:

say {Fill in your text here}

Fill in any text in the area provided above and Terminal will speak it out for you.

4. Meet the Doctor

After going as far as letting the talking Terminal accompany you during your lonely hours, you feel worried about your mental health and thinking about going to a mental therapist.

Well, look no further. Emacs also hides a virtual psychologist. To consult it with your problems, follow the above steps on number 1, but instead of typing in the name of the game, you type “doctor” (sans quote).

I guarantee that you would need a real psychotherapist after consulting with this one.

As a final note, I think I should mention that I tried these fun things on my Mac. But since everything described here is merely command lines, these commands should also work fine on Linux machines.

For a lot more, check out our Mac Terminal commands cheat sheetThe Mac Terminal Commands Cheat SheetThe Mac Terminal Commands Cheat SheetOur mega cheat sheet of Mac terminal commands provides a great reference for all the important commands you should know.Read More.

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Explore more about: Star Wars, Tetris.

1. If you do: sudo apt install oneko

   it will install an app which makes cats chase your cursor

   i dont know how to get them off though :(

2. how do i get the doctor to respond when i typed ret ret. or RET RET. or RETRET or retret it did not work

   • Press enter twice

3. I can't figure out the games or the docter, what's a sans quote does it make a difference?

   • after typing 'emacs' hit Esc and then X.. a little blue prompt will pop up at the bottom of the 'emacs' screen in this prompt type 'Solitaire'

4. vaya mierda, me ha decepcionado esta pagina

   BASURA??

   SIIIIII

5. Amazing article - learnt a lot here.
   Just the one thing, I'm not abel tot use the 'doctor' function and it's really bugging me!

   Just to recap on that one (and check I've got the process correct), it's:
   - emacs [Enter]
   - Esc + x keys
   - *doctor*

   ..right?

   Thanks!

   • You only need to type doctor, not *doctor*

6. i wish someone would give instruction on the controls of some of the games. Solitaire for instants i have figure out how to jump left and right but i can't seem to find how to jump up and down

7. make your terminal sing a song: osascript 'say 'your text here' using 'cellos' ' this makes the terminal the text you wrote between the quotation marks as a song using the cellos voice

   • Since Snow Leopard or before, you can just use $ say -v 'cellos' 'your text here'.

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8. The Star Wars ascii movie, or at least most of it, is available with any web browser at:
   asciimation.co.nz/

   Neil

9. I've been searching for a while for cool terminal stuff.

   I think you can try:

   curl dict://dict.org/d:(word you want)
   no brackets, of course. I think it gives a dictionary definition.

   I think it gives you the list for the emacs thing when you put this:
   ls /usr/share/emacs/22.1/lisp/play

10. I believe that the Mac OS X commands 'say' and 'doctor' will not always work on other Unix-like systems.

    The same goes for the Emacs tip--but Emacs is far more likely to be available on most other Unix-based systems anyway.

11. Note that this works perfectly well in Windows as well.

    Go into DOS (WindowsKey+R - Type 'cmd') and just write the telnet link. :D

Terminal is a powerful tool that comes with macOS. It allows you to input commands and get output from your operating system.

Although Terminal, which is a command line interface (CLI), is powerful and often times even more powerful than a graphical user interface (GUI), it’s often under-used because either people don’t take the time to learn commands, or they are too afraid to dabble in commands because one typo and you could mess something in your system up.

Fortunately, not all commands are scary. In this piece, we’ll show you ten commands you can perform with Terminal that could be of use to you now, or in the future.

Ten fun and useful Terminal commands to use in macOS

1. Check server response

Ping is probably one of the more useful Terminal commands that an everyday Mac user might actually use. This command lets you check the response of a domain or IP address, such as “www.google.com” and see how quickly it takes for the server to respond.

To perform a Ping command, you’ll enter the following in Terminal:

Note that you can replace the URL with any website URL you want to, or use an IP address instead.

2. Disable screenshot shadows

You can easily toggle off screenshot shadows when you take a screenshot of a specific window on your Mac by using the following command:

What this command does is it changes the boolean variable related to disabling drop shadows from the screen capture configuration file on your Mac from false to true so that drop shadows no longer appear.

After the following command, you’ll use this one to save your changes:

This will restart critical services on your Mac to save your changes. If you ever want to re-enable drop shadows in your screenshots, you can perform the above commands again, except you’ll replace “TRUE” with “FALSE” instead.

Where Is Mac Terminal

3. Show hidden files in Finder

Terminal also provides you with an easy way to show all hidden files in Finder. It’s done with the following command:

After making this change, you’ll have to restart finder, which can be done with the following command:

Now, when using Finder to search for files, even files that were normally hidden to protect you from making unintentional changes that could potentially damage your system, will be displayed.

You can also easy hide hidden files once again by repeating the above commands, except replacing “TRUE” with “FALSE” instead.

4. Make your Mac say anything you want

You can also use Terminal to have your Mac say anything you want. If you want your Mac to say something out loud, you can use the “say” command, followed by whatever it is you want your Mac to say. Here’s an example:

In this example, your Mac will say exactly what is in the quotes using the default system voice.

5. Keep your Mac from falling asleep

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Terminal comes with a way to keep your Mac from falling asleep, dimming the display, or showing the screensaver. Simply use the following command:

With this command having been used, your Mac will act like it just drank a venti-sized coffee at Starbucks. You can also set time periods up so the command is only active for a temporary period of time. To do this, add the “-t” flag, followed by a number of seconds you want the feature to be enabled for, like this:

In this example, our Mac would stay awake for 150,000 seconds, and then after that time period, the command would be auto-disabled. You can also press Control + C to end the command early at any time.

6. View and clear your Terminal command history

If you ever want to see what Terminal commands you’ve entered in the past, fortunately Terminal keeps a history and you can always check back with the following command:

Once you enter it, you’ll see all of the commands you’ve used, or anyone else using your Mac may have used. It also makes it easy to copy and paste long commands you may have entered previously that you don’t feel like typing out all over again.

If you ever wanted to delete your command history from Terminal, you could just use the following command instead:

After entering this command, your history will be deleted and no one will be able to pull up your command line history to see what commands you’ve used.

7. Stress test your Mac

If you suspect your Mac’s fans aren’t working right or that your system can’t keep up with demand like it should, you can stress test your processor using Terminal with the following command:

If you have a multi-core Mac, you’ll need to type the command several times over to match the amount of cores you have before you press return. For example, if you have four cores, then you’ll type the command 4 times in a row before pressing return, like so:

You can launch Activity Monitor on your Mac as a bonus to watch your CPU start to crank up. You can end the stress test at any time with the following command:

If you suspect you have a faulty fan, this is a good time to listen for grinding. Moreover, it can be used to see if your process is choking too early when it should be able to handle more of a load.

8. Enable an iOS-like power chime when connected to power

Although your Mac is usually quiet when you plug a power source into it, your iOS devices all make a chime noise when you plug them in to indicate that they’re charging. With Terminal, it’s possible to enable this feature on your Mac as well with the following command:

Now after tapping the return key, the chime will be enabled. You can also disable the chirp at any time with the following command:

It’s a nice little audible sound to hear when you know the power connection is connected, but it really comes down to opinion on whether or not to enable it.

9. Check for macOS updates more often

Your Mac is configured out of the box to check for updates for macOS and your Mac App Store apps on a weekly basis, but you can change that with Terminal. For example, if you want your Mac to check for updates daily instead, enter the following command:

You can change the integer to any amount you want – the number represents the amount of days your Mac will wait to check for updates, so if you wanted to return back to the default weekly check, you’d use the following command:

Now, you can notified of your important app updates and macOS updates much more frequently than before.

10. Set your Mac’s screensaver as the wallpaper

If you’re in the mood for some eye candy, you can set your current screensaver as your Mac wallpaper temporarily with Terminal by using the following fun and quirky command:

This will make your current screensaver the desktop wallpaper for as long as the command is running. If you close the Terminal app or use the Control + C shortcut, then the wallpaper will return to normal.

Conclusion

Best Mac Terminal Hacks

Terminal is a very useful tool in macOS that is under-used by Mac users. Sometimes macOS’ System Preferences app just can’t give users all the options they need access to, and Terminal is a great way for a user to really take control of their system and make changes to their own liking. Moreover, it makes a great tool for troubleshooting and performing actions, not just customizing things.

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