Siri is one of the intelligent tools Apple has fitted into iPhone; now the same intelligence you can use in your Mac. In other words, you can give commands to your Mac and the system will work accordingly following your commands.
That is amazing. Now for some small chores, you don't have to exert your fingers, just use your tongue and your job is done. Make sure that your Mac is running on OS X El Capitan; note that you won't get exact results as you get on your iOS device, but you can always experience a feeling like your favorite sci-fi series on TV.
How to Use Siri-like Commands on Mac with Dictation Keyword Phrases
First, set up Dictation on your Mac
Step #1. Click on Apple Menu → Launch System Preferences.
Step #2. Click on Dictation & Speech.
Step #3. Click Dictation ON by hitting the Radio button → Also click in the checkbox: Use Enhanced Dictation.
Now Set up OS X's Dictation Keyword Phrase
Step #1. Go back to System Preferences.
Step #2. Click on Accessibility.
Step #3. Now click on Dictation from the left navigation.
Step #4. Click in the check box before: Enable the dictation keyword phrase.
The default triggering phrase is “Computer”, which can be changed to any other phrase of your choice.
Step #5. Click on Dictation Commands.
Step #6. Finally, click on Enable advanced commands.
Real time Usage of Dictation Commands on Mac
After setting up dictation keyword phrase, you can browse the Dictation Commands screen for several phrases you can speak to your Mac. People have got up to 70% success rate triggering these commands; please note that OS X is more familiar with keyword phrases in its default dictionary than other specialty apps. From users' experience, it is recommended that you enable Play sound when command is recognized check box. Check out some of the popular keyword phrases people ask to their Mac.
“Computer, Start Dictation.”
“Computer, Stop Dictation.”
“Computer, search for The Flash.”
“Computer, search Spotlight for BBEdit.”
“Computer, search for Boston weather.”
“Computer, open result.”
“Computer, Select Text.”
“Computer, find the text “Money”.
“Computer, switch to Safari.”
“Computer, open BBEdit.”
“Computer, hide Tweetbot.”
“Computer, close window.”
“Computer, quit System Preferences.”
“Computer, how do I find text?”