What Does Command Z Do On A Mac? - 2023, Escuela secundaria

What is the Ctrl Z Command on a Mac?

You can undo recent changes you make to a document, then redo them if you change your mind. Do any of the following:

Undo the last action: Choose Edit > Undo (from the Edit menu at the top of your screen), or press Command-Z on your keyboard. Redo the last action you undid: Choose Edit > Redo, or press Command-Shift-Z.

If you want to delete all the changes you made since you opened a document, you can restore the document to its state when you opened it. See also Restore an earlier document version in Pages on Mac

What does control Command-Z do?

You can undo and redo up to 20 of your last typing or design actions in Access. To undo an action, press Ctrl + Z. To redo an undone action, press Ctrl + Y. The Undo and Redo features let you remove or repeat single or multiple typing actions, but all actions must be undone or redone in the order you did or undid them – you can’t skip actions.

For example, if you change the value of three fields in a record and then decide you want to undo the first change you made, you must undo all three changes.
Similarly, you can undo most design changes that you make to database objects, such as adding a control to a report or adding a sort order to a query field.

Design changes must also be undone in order.

What is the Command to reboot a Mac?

How to restart Mac using Terminal – If you’re a bit more technical, there’s an option for how to reset MacBook Pro using Terminal. The Mac Terminal is a command line interface for the macOS operating system. Terminal is typically used by network administrators or users who want to initiate an action that isn’t supported by the operating system’s graphical user interface.

Open Terminal by pressing the Command + Space keys simultaneously to open Spotlight Search and finding the app
Enter the following command: sudo shutdown -r
Replace with the specific time you’d like to reboot your Mac: type “now” for immediate reboot, or “+60” if you want to do it in an hour, for example
Press Enter and type your Mac’s password when prompted

The Mac hard restart will now be performed at the specified time. If you’re connecting to remote devices and toggling between hosts on a regular basis, Terminal is a good place to start, but to get a more solid experience, try a full-featured SSH client like Core Shell.

Core Shell provides a colorful way to manage hosts using advanced features, and a secure macOS Keychain integration.
Organize hosts by tags for convenience, enjoy instant connections to remote shells from anywhere, and use OpenSSH support to benefit from features unavailable in the native terminal — from agent forwarding to proxy jump to post command.

Plus, Core Shell is fully compatible with Terminal, so there’s no steep learning curve, but the experience is way more seamless.

What is the shortcut for WIFI on Mac?

Download Article Download Article Do you find it annoying to have to navigate to the WiFi icon every time you want to turn off the WiFi on your Mac? Fortunately, there’s an easier way. By setting up a keyboard shortcut, you can turn your Mac’s WiFi on and off by pressing just one key!

1 Open Terminal. Copy paste this in: networksetup -listnetworkserviceorder,
2 Remember the number that shows the WiFi. Then, you can close Terminal and open Automator. Advertisement
3 Choose a type for your document. Click on Quick Action and Choose,
4 Search for run shell script in the search bar on the left. Double click on it.
5 Make sure the top section is correct on the right: Workflow receives no input in any application,
6 Copy and paste the following script into the section of “Run Shell Script,” substituting “X” with any number that you found the WiFi port to be earlier. The script is: networksetup -getairportpower enX | grep “On” && networksetup -setairportpower enX off || networksetup -setairportpower enX on.
7 Click on Run in the top right corner. See if your WiFi turns off. You might need to wait a few seconds. If it works, click on the X and save the action, and name it something obvious like “WiFi Toggle.” Then, proceed to the next section.

1 Open System Preferences > Keyboard, At the top, click on Shortcuts,
2 Click on Services, Scroll to the very bottom until you find the action that you just created.
3 Click on the None to the right of the name. Then, click on Add Shortcut,
4 Type in your shortcut. You might use Ctrl + ⌥ Opt + ⌘ Cmd + W, Control Option Command W). Make sure the shortcut is not a common shortcut.
5 Test your shortcut. It should work!

Add New Question

Question What OS system does this work on? It doesn’t seem to be working on Mojave. Evan Huang Community Answer This should be working on Mojave. I tested it and it worked. Copy paste the code you entered into the section Run Shell Script.

Ask a Question 200 characters left Include your email address to get a message when this question is answered. Submit Advertisement Thanks for submitting a tip for review! Thanks to all authors for creating a page that has been read 46,756 times.

What is the difference between Ctrl C and Ctrl Z on a Mac?

Hi@akhtar, Generally, these two commands are used to stop the process. First we will try with ctrl c and if it will not work, than we go with ctrl d to kill the process. But there are a small difference between these two commands. ctrl c is used to kill a process.

It terminates your program. # ping goo.gle PING goo.gle (67.199.248.12) 56(84) bytes of data.64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=1 ttl=55 time=98.7 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=2 ttl=55 time=20.3 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=3 ttl=55 time=144 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=4 ttl=55 time=58.5 ms ^C – goo.gle ping statistics – 4 packets transmitted, 4 received, 0% packet loss, time 3015ms rtt min/avg/max/mdev = 20.316/80.505/144.417/46.151 ms ctrl z is used to pause the process.

It will not terminate your program, it will keep your program in background. You can restart your program from that point where you used ctrl z. # ping goo.gle PING goo.gle (67.199.248.12) 56(84) bytes of data.64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=1 ttl=55 time=22.5 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=2 ttl=55 time=124 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=3 ttl=55 time=37.4 ms ^Z + Stopped ping goo.gle # You can restart your program using the command fg.

It means it will return your job in foreground again. # fg 1 ping goo.gle 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=4 ttl=56 time=24.2 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=5 ttl=56 time=95.5 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=6 ttl=56 time=19.3 ms 64 bytes from cname.bitly.com (67.199.248.12): icmp_seq=7 ttl=56 time=24.0 ms ^C – goo.gle ping statistics – 7 packets transmitted, 7 received, 0% packet loss, time 91406ms rtt min/avg/max/mdev = 19.342/49.685/124.594/39.327 ms # Hope it will clear your doubt.

Enroll with Linux training online and learn in detail about Linux. Thanks.

How do I use Z shell on Mac?

The default shell is zsh. You can change the shell that new Terminal windows and tabs open with. Open Terminal for me

In the Terminal app on your Mac, choose Terminal > Settings, then click General. Next to “Shells open with,” select “Command (complete path),” then enter the complete path to the shell you want to use.

In a networked environment, a system administrator can specify the default shell. For more information about the features of each shell, enter “man” and the name of the shell. See also Change General settings in Terminal on Mac Apple Support article: Use zsh as the default shell on your Mac zsh shell man page

How do you use command Z?

Mac keyboard shortcuts By pressing certain key combinations, you can do things that normally need a mouse, trackpad, or other input device. To use a keyboard shortcut, press and hold one or more modifier keys and then press the last key of the shortcut. For example, to use Command-C (copy), press and hold the Command key, then the C key, then release both keys. Mac menus and keyboards often use, including modifier keys:

Command (or Cmd) ⌘ Shift ⇧

Option (or Alt) ⌥ Control (or Ctrl) ⌃

Caps Lock ⇪ Fn

On keyboards made for Windows PCs, use the Alt key instead of Option, and the Ctrl key or Windows logo key instead of Command. Some keys on some Apple keyboards have special symbols and functions, such as for display brightness, keyboard brightness, and more.

Command-X : Cut the selected item and copy it to the Clipboard. Command-C : Copy the selected item to the Clipboard. This also works for files in the Finder. Command-V : Paste the contents of the Clipboard into the current document or app. This also works for files in the Finder. Command-Z : Undo the previous command. You can then press Shift-Command-Z to Redo, reversing the undo command. In some apps, you can undo and redo multiple commands. Command-A : Select All items. Command-F : Find items in a document or open a Find window. Command-G : Find Again: Find the next occurrence of the item previously found. To find the previous occurrence, press Shift-Command-G. Command-H : Hide the windows of the front app. To view the front app but hide all other apps, press Option-Command-H. Command-M : Minimize the front window to the Dock. To minimize all windows of the front app, press Option-Command-M. Command-O: Open the selected item, or open a dialog to select a file to open. Command-P : Print the current document. Command-S : Save the current document. Command-T : Open a new tab. Command-W : Close the front window. To close all windows of the app, press Option-Command-W. Option-Command-Esc : an app. Command–Space bar : Show or hide the search field. To perform a Spotlight search from a Finder window, press Command–Option–Space bar. (If you to type in different languages, these shortcuts change input sources instead of showing Spotlight. Learn how to,) Control–Command–Space bar : Show the Character Viewer, from which you can choose, Control-Command-F : Use the app in full screen, if supported by the app. Space bar : Use to preview the selected item. Command-Tab : Switch to the next most recently used app among your open apps. Command–Grave accent (`): Switch between the windows of the app you’re using. (The character on the second key varies by keyboard. It’s generally the key above the Tab key and to the left of the number 1.) Shift-Command-5 : In, take a screenshot or make a screen recording. Or use Shift-Command-3 or Shift-Command-4 for screenshots., Shift-Command-N: Create a new folder in the Finder. Command-Comma (,) : Open preferences for the front app.

You might need to press and hold some of these shortcuts for slightly longer than other shortcuts. This helps you to avoid using them unintentionally.

Power button : Press to turn on your Mac or wake it from sleep. Press and hold for 1.5 seconds to put your Mac to sleep.* Continue holding to force your Mac to turn off. Option–Command–Power button * or Option–Command–Media Eject : Put your Mac to sleep. Control–Shift–Power button * or Control–Shift–Media Eject : Put your displays to sleep. Control–Power button * or Control–Media Eject : Display a dialog asking whether you want to restart, sleep, or shut down. Control–Command–Power button :* Force your Mac to restart, without prompting to save any open and unsaved documents. Control–Command–Media Eject : Quit all apps, then restart your Mac. If any open documents have unsaved changes, you will be asked whether you want to save them. Control–Option–Command–Power button * or Control–Option–Command–Media Eject : Quit all apps, then shut down your Mac. If any open documents have unsaved changes, you will be asked whether you want to save them. Control-Command-Q : Immediately lock your screen. Shift-Command-Q : Log out of your macOS user account. You will be asked to confirm. To log out immediately without confirming, press Option-Shift-Command-Q.

* Does not apply to the,

Command-D : Duplicate the selected files. Command-E : Eject the selected disk or volume. Command-F : Start a Spotlight search in the Finder window. Command-I : Show the Get Info window for a selected file. Command-R : (1) When an alias is selected in the Finder: show the original file for the selected alias. (2) In some apps, such as Calendar or Safari, refresh or reload the page. (3) In Software Update, check for software updates again. Shift-Command-C : Open the Computer window. Shift-Command-D : Open the desktop folder. Shift-Command-F : Open the Recents window, showing all of the files you viewed or changed recently. Shift-Command-G : Open a Go to Folder window. Shift-Command-H : Open the Home folder of the current macOS user account. Shift-Command-I : Open iCloud Drive. Shift-Command-K : Open the Network window. Option-Command-L : Open the Downloads folder. Shift-Command-N: Create a new folder. Shift-Command-O : Open the Documents folder. Shift-Command-P : Show or hide the Preview pane in Finder windows. Shift-Command-R : Open the AirDrop window. Shift-Command-T : Show or hide the tab bar in Finder windows. Control-Shift-Command-T : Add selected Finder item to the Dock (OS X Mavericks or later) Shift-Command-U : Open the Utilities folder. Option-Command-D : Show or hide the Dock. Control-Command-T : Add the selected item to the sidebar (OS X Mavericks or later). Option-Command-P : Hide or show the path bar in Finder windows. Option-Command-S : Hide or show the Sidebar in Finder windows. Command–Slash (/) : Hide or show the status bar in Finder windows. Command-J : Show View Options. Command-K : Open the Connect to Server window. Control-Command-A : Make an alias of the selected item. Command-N : Open a new Finder window. Option-Command-N : Create a new Smart Folder. Command-T : Show or hide the tab bar when a single tab is open in the current Finder window. Option-Command-T : Show or hide the toolbar when a single tab is open in the current Finder window. Option-Command-V : Move the files in the Clipboard from their original location to the current location. Command-Y : Use Quick Look to preview the selected files. Option-Command-Y : View a Quick Look slideshow of the selected files. Command-1 : View the items in the Finder window as icons. Command-2 : View the items in a Finder window as a list. Command-3 : View the items in a Finder window in columns. Command-4 : View the items in a Finder window in a gallery. Command–Left Bracket () : Go to the next folder. Command–Up Arrow : Open the folder that contains the current folder. Command–Control–Up Arrow : Open the folder that contains the current folder in a new window. Command–Down Arrow : Open the selected item. Right Arrow : Open the selected folder. This works only when in list view. Left Arrow : Close the selected folder. This works only when in list view. Command-Delete : Move the selected item to the Trash. Shift-Command-Delete : Empty the Trash. Option-Shift-Command-Delete : Empty the Trash without confirmation dialog. Command–Brightness Down : Turn video mirroring on or off when your Mac is connected to more than one display. Option–Brightness Up : Open Displays preferences. This works with either Brightness key. Control–Brightness Up or Control–Brightness Down : Change the brightness of your external display, if supported by your display. Option–Shift–Brightness Up or Option–Shift–Brightness Down : Adjust the display brightness in smaller steps. Add the Control key to this shortcut to make the adjustment on your external display, if supported by your display. Option–Mission Control : Open Mission Control preferences. Command–Mission Control : Show the desktop. Control–Down Arrow : Show all windows of the front app. Option–Volume Up : Open Sound preferences. This works with any of the volume keys. Option–Shift–Volume Up or Option–Shift–Volume Down : Adjust the sound volume in smaller steps. Option–Keyboard Brightness Up : Open Keyboard preferences. This works with either Keyboard Brightness key. Option–Shift–Keyboard Brightness Up or Option–Shift–Keyboard Brightness Down : Adjust the keyboard brightness in smaller steps. Option key while double-clicking : Open the item in a separate window, then close the original window. Command key while double-clicking : Open a folder in a separate tab or window. Command key while dragging to another volume : Move the dragged item to the other volume, instead of copying it. Option key while dragging : Copy the dragged item. The pointer changes while you drag the item. Option-Command while dragging : Make an alias of the dragged item. The pointer changes while you drag the item. Option-click a disclosure triangle : Open all folders within the selected folder. This works only when in list view. Command-click a window title : See the folders that contain the current folder., Click the Go menu in the Finder menu bar to see shortcuts for opening many commonly used folders, such as Applications, Documents, Downloads, Utilities, and iCloud Drive.

The behavior of these shortcuts may vary with the app you’re using.

Command-B : Boldface the selected text, or turn boldfacing on or off. Command-I : Italicize the selected text, or turn italics on or off. Command-K : Add a web link. Command-U : Underline the selected text, or turn underlining on or off. Command-T : Show or hide the Fonts window. Command-D : Select the Desktop folder from within an Open dialog or Save dialog. Control-Command-D : Show or hide the definition of the selected word. Shift-Command-Colon (:) : Display the Spelling and Grammar window. Command-Semicolon (;) : Find misspelled words in the document. Option-Delete : Delete the word to the left of the insertion point. Control-H : Delete the character to the left of the insertion point. Or use Delete. Control-D : Delete the character to the right of the insertion point. Or use Fn-Delete. Fn-Delete : Forward delete on keyboards that don’t have a Forward Delete key. Or use Control-D. Control-K : Delete the text between the insertion point and the end of the line or paragraph. Fn–Up Arrow : Page Up: Scroll up one page. Fn–Down Arrow : Page Down: Scroll down one page. Fn–Left Arrow: Home: Scroll to the beginning of a document. Fn–Right Arrow : End: Scroll to the end of a document. Command–Up Arrow : Move the insertion point to the beginning of the document. Command–Down Arrow : Move the insertion point to the end of the document. Command–Left Arrow : Move the insertion point to the beginning of the current line. Command–Right Arrow : Move the insertion point to the end of the current line. Option–Left Arrow : Move the insertion point to the beginning of the previous word. Option–Right Arrow : Move the insertion point to the end of the next word. Shift–Command–Up Arrow : Select the text between the insertion point and the beginning of the document. Shift–Command–Down Arrow : Select the text between the insertion point and the end of the document. Shift–Command–Left Arrow : Select the text between the insertion point and the beginning of the current line. Shift–Command–Right Arrow : Select the text between the insertion point and the end of the current line. Shift–Up Arrow : Extend text selection to the nearest character at the same horizontal location on the line above. Shift–Down Arrow : Extend text selection to the nearest character at the same horizontal location on the line below. Shift–Left Arrow : Extend text selection one character to the left. Shift–Right Arrow : Extend text selection one character to the right. Option–Shift–Up Arrow : Extend text selection to the beginning of the current paragraph, then to the beginning of the following paragraph if pressed again. Option–Shift–Down Arrow : Extend text selection to the end of the current paragraph, then to the end of the following paragraph if pressed again. Option–Shift–Left Arrow : Extend text selection to the beginning of the current word, then to the beginning of the following word if pressed again. Option–Shift–Right Arrow : Extend text selection to the end of the current word, then to the end of the following word if pressed again. Control-A : Move to the beginning of the line or paragraph. Control-E : Move to the end of a line or paragraph. Control-F : Move one character forward. Control-B : Move one character backward. Control-L : Center the cursor or selection in the visible area. Control-P : Move up one line. Control-N : Move down one line. Control-O : Insert a new line after the insertion point. Control-T : Swap the character behind the insertion point with the character in front of the insertion point. Command–Left Curly Bracket ( ) : Right align. Shift–Command–Vertical bar (|) : Center align. Option-Command-F : Go to the search field. Option-Command-T : Show or hide a toolbar in the app. Option-Command-C : Copy Style: Copy the formatting settings of the selected item to the Clipboard. Option-Command-V : Paste Style: Apply the copied style to the selected item. Option-Shift-Command-V : Paste and Match Style: Apply the style of the surrounding content to the item pasted within that content. Option-Command-I : Show or hide the inspector window. Shift-Command-P : Page setup: Display a window for selecting document settings. Shift-Command-S : Display the Save As dialog, or duplicate the current document. Shift–Command–Minus sign (-) : Decrease the size of the selected item. Shift–Command–Plus sign (+) : Increase the size of the selected item. Command–Equal sign (=) performs the same function. Shift–Command–Question mark (?) : Open the Help menu.

To use these vision shortcuts, first choose Apple menu  > System Settings (or System Preferences), then click Keyboard. Click Keyboard Shortcuts, select Accessibility on the left, then select “Invert colors” and “Contrast” on the right.

Control-Option-Command-8 : Invert colors. Control-Option-Command-Comma (,) and Control-Option-Command-Period (.) : Reduce contrast and increase contrast.

Use these shortcuts to change keyboard focus. To use some of these shortcuts, first choose Apple menu  > System Settings (or System Preferences), then click Keyboard. Click Keyboard Shortcuts, select Keyboard on the left, then select the shortcut’s setting on the right.

Control-F2 or Fn-Control-F2: Move focus to the menu bar. You can then use the arrow keys to navigate the menu, press Return to open a selected menu or choose a selected menu item, or type the menu item’s name to jump to that item in the selected menu. Control-F3 or Fn-Control-F3 : Move focus to the Dock. Control-F4 or Fn-Control-F4 : Move focus to the active window or next window. Control-F5 or Fn-Control-F5 : Move focus to the window toolbar. Control-F6 or Fn-Control-F6: Move focus to the floating window. Control-Shift-F6 : Move focus to the previous panel. Control-F7 or Fn-Control-F7 : Change the way Tab moves focus—between navigation of all controls on the screen, or only text boxes and lists. Control-F8 or Fn-Control-F8 : Move focus to the status menu in the menu bar Command–Grave accent (`) : Activate the next open window in the front app. Shift–Command–Grave accent (`) : Activate the previous open window in the front app Option–Command–Grave accent (`) : Move the focus to the window drawer. Tab and Shift-Tab : Move to next control, move to previous control. Control-Tab : Move to the next control when a text field is selected. Control-Shift-Tab : Move to the previous grouping of controls. Arrow keys : Move to the adjacent item in a list, tab group, or menu, or move sliders and adjusters (Up Arrow to increase values, Down Arrow to decrease values) Control–Arrow keys : Move to a control adjacent to the text field.

Other accessibility shortcuts: If you’re using VoiceOver, you might need to before you can use some of the shortcuts in this article. Helpful? Thanks for your feedback. : Mac keyboard shortcuts

Can you undo an undo?

The following are functions that are not displayed as buttons in the toolbar of the text editor, but you can use them with their shortcut key combinations. To learn about the keyboard shortcuts in the new content editor, see Keyboard shortcut functions,


Command SHORTCUT KEY	Procedure
Undo CTRL+Z	To reverse your last action, press CTRL+Z, You can reverse more than one action.
Redo CTRL+Y	To reverse your last Undo, press CTRL+Y, You can reverse more than one action that has been undone. You can use Redo command only after Undo command.
Select all CTRL+A	To perform a function on all the content in the text editor, you need to select it all. Place the cursor anywhere in the text editor and press CTRL+A,
Copy CTRL+C	Select the desired text and press CTRL+C to copy it in the clipboard.
Paste CTRL+V	Place the cursor anywhere in the text editor and press CTRL+V to insert the copied text from the clipboard.
Full screen F11	To view the text editor in full screen mode, press F11, To exit the full screen mode, press F11 again.

NOTE : For users with Mac keyboards, use the Command button instead of Ctrl

What is Ctrl Shift V on a Mac?

Paste Text Only shortcut in Word Hi, Microsoft 365 Insiders! I’m Ali Forelli, a Product Manager on the Word team working on Accessibility features. I’m happy to announce that the Paste Text Only shortcut is available in Word for Windows and Word for Mac! Wouldn’t it be great if you could just copy and paste text from a website into your document and have it look good? Imagine not having to manually remove the source formatting like font size, type, or background color.

How can I hard reset Mac?

Fix 3. Run Apple Diagnostics Mode – Apple Diagnostics is yet another proven method for resolving technical issues on a Mac. This built-in tool is made to scan the device and report any malicious information so the user can take action against it and eliminate it. Step 3. Continue holding until you see the screen of “Apple Diagnostics.” Step 4. Now, wait until the diagnostics completion bar is filled. Once the diagnostics have been completed, you will be presented with a report of any detected issues.

How do I reset my Mac?

macOS Monterey –

From the Apple menu  in the corner of your screen, choose System Preferences.
From the System Preferences menu in the menu bar, choose Erase All Content and Settings. Don’t see this option?

An erase assistant then opens. Follow the onscreen instructions to erase your Mac and restore it to factory settings. Before the erase begins, you will see a summary of all the settings, media, data, and other items that will be erased or turned off.

When asked to sign in with your administrator credentials, enter the password that you use to log in to your Mac. Forgot your login password?
You might be asked to enter your Apple ID password so that your Mac can sign out of Find My. Forgot your Apple ID password?
You might be asked if you want to back up your Mac before resetting it. If you want to do that, you can open Time Machine and back up to an external storage device,
Finally, you will be asked to click Erase All Content & Settings to confirm that you want to proceed.

Your Mac then restarts and briefly shows a black screen or progress bar.

If your Mac needs to reconnect to a Bluetooth accessory such as a keyboard or mouse, you might be asked to turn on the accessory. If the accessory doesn’t connect within 30 seconds, turn the accessory off and back on. When reconnecting to a Bluetooth keyboard, you’re asked to choose a language.
You might be asked to select a Wi-Fi network or attach a network cable. To select a Wi-Fi network, use the Wi-Fi menu in the upper-right corner of the screen.

Your Mac then activates. Click Restart. After your Mac restarts, a setup assistant guides you through the setup process, as if you’re setting up your Mac for the first time. If you’re selling, giving away, or trading-in your Mac and want to leave it in an out-of-box state, don’t use the setup assistant or your previously connected Bluetooth devices, if any. Just press and hold the power button on your Mac until it turns off.

How do I put my Mac in reset mode?

Erase and reinstall macOS You can erase your Mac and use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. Your computer must be connected to the internet. If you’re reinstalling on a Mac laptop, plug in the power adapter.

using Erase Assistant.
Restart your Mac.
Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions.
In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

Your computer must be connected to the internet. If you’re reinstalling on a Mac laptop, plug in the power adapter.

using Erase Assistant.
Restart your Mac.
Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do:
- Install the latest version of macOS compatible with your computer: Option-Command-R.
- Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R.
- Reinstall your current version of macOS: Command-R.
In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

Your computer must be connected to the internet. If you’re reinstalling on a Mac laptop, plug in the power adapter.

Choose Apple menu > Restart, then immediately press and hold Command-R.
In the Recovery app window, select Disk Utility, then click Continue.
In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
Type a name for the volume in the Name field, click the Format pop-up menu and choose, then click Erase Volume Group.
When the erase process is complete, click Done, then choose Disk Utility > Quit Disk Utility.
In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

If you want to erase your Mac without reinstalling macOS, in order to restore it to factory settings before you trade it in or sell it, see, : Erase and reinstall macOS

How do I turn my Mac into Wi-Fi?

Enable Internet Sharing and Configure Your Hotspot – The Wi-Fi hotspot option is part of your Mac’s Sharing features in macOS. You’ll find it under System Settings > General > Sharing. (Click the Apple menu and select “System Settings” to open the System Settings window.) You’ll see an option for “Internet Sharing” in the list. Resist the urge to turn it on just yet, as you’ll need to set everything up first. Now it’s time to select the Internet connection you want to share with the devices. Click on the “i” information button alongside Internet Sharing to see a list of available connections and destinations. Be aware that you can’t share a Wi-Fi connection that you’re already connected to. Click the “Wi-Fi Options” button at the bottom of the window to configure your Wi-Fi hotspot. Select your preferred network name and the best Wi-Fi channel, Use the “Security” box to select “WPA2/WPA3 Personal” to maximize compatibility with older devices (you can also choose WPA3-only, which is more secure ). macOS won’t let you proceed if you don’t set a password here, so it’s impossible to create a Wi-Fi hotspot that anyone can connect to without a password. Finally, head back to System Settings > General > Sharing and enable the “Internet Sharing” toggle in the list. Authorize the change with your fingerprint or admin password, and your connection will be shared. Your Mac’s Wi-Fi interface can either be connected to a Wi-Fi network or host its own network-it can only do one of these things at a time. This means you can’t be both connected to a Wi-Fi network and share that Wi-Fi network’s connection over Wi-Fi.

Yes, you may sometimes want to do this-for example, when you’re staying in a hotel or other location that only allows you to connect one device to its Wi-Fi network, Sharing a Wi-Fi network connection by creating another Wi-Fi network will require a separate physical network interface, such as the WiFi Nation AC600 Mini 802.11ac Dongle,

This allows you to connect to a network with one adapter and then share via another.

How to enable Wi-Fi on Mac?

On your Mac, choose Apple menu > System Settings, then click Network in the sidebar. (You may need to scroll down.) Click the Action pop-up menu on the right, then choose Add Service. Click the Interface pop-up menu, then choose Wi-Fi.

What is control V?

Alternatively written as Control+V and C-v, ^v, Ctrl+V is a keyboard shortcut to paste text or other objects from the clipboard. Tip. On Apple computers, the shortcut to paste is Command + V.

What signal is Ctrl Z?

Sending signals – The kill (2) system call sends a specified signal to a specified process, if permissions allow. Similarly, the kill(1) command allows a user to send signals to processes. The raise(3) library function sends the specified signal to the current process.

Exceptions such as division by zero, segmentation violation ( SIGSEGV ), and floating point exception ( SIGFPE ) will cause a core dump and terminate the program. The kernel can generate signals to notify processes of events. For example, SIGPIPE will be generated when a process writes to a pipe which has been closed by the reader; by default, this causes the process to terminate, which is convenient when constructing shell pipelines,

Typing certain key combinations at the controlling terminal of a running process causes the system to send it certain signals:

Ctrl-C (in older Unixes, DEL) sends an INT signal (“interrupt”, SIGINT ); by default, this causes the process to terminate.
Ctrl-Z sends a TSTP signal (“terminal stop”, SIGTSTP ); by default, this causes the process to suspend execution.
Ctrl-\ sends a QUIT signal ( SIGQUIT ); by default, this causes the process to terminate and dump core.
Ctrl-T (not supported on all UNIXes) sends an INFO signal ( SIGINFO ); by default, and if supported by the command, this causes the operating system to show information about the running command.

These default key combinations with modern operating systems can be changed with the stty command.

What does control y do?

Control-Y – Wikipedia Computer command Control-Y is a common computer command. It is generated by holding Ctrl and pressing the Y key on most, In most Windows applications this keyboard shortcut functions as, reversing a previous Undo. In some programs such as it repeats the previous action if it was something other than Undo.

Systems use ⌘ Command + ⇧ Shift + Z for Redo. In general a shortcut on Macintosh using ⌘ Command matches up with a shortcut on Windows using Ctrl, this is one of the most noticeable conflicts. Many programs (on all systems including ) support both Ctrl + Y and Ctrl + ⇧ Shift + Z for Redo to resolve this conflict.

But quite a few remain where only one or the other shortcut works.

Why does Mac use zsh?

Why is zsh now the macOS default shell? – Zsh is an extension of bash. It offers the same features as bash but adds more on top. These include support for themes and plug-ins as well as cut completion and autocorrection for directory paths. There are also a number of other features to make typing commands and referencing locations on your Mac easier.

What does zsh stand for?

From Wikipedia, the free encyclopedia

Z shell


Screenshot of a Zsh session
Original author(s)	Paul Falstad
Developer(s)	Peter Stephenson, et al.
Initial release	1990 ; 33 years ago
Stable release	5.9 / May 14, 2022 ; 16 months ago
Repository	sf,net /p /zsh /code /
Written in	C
Operating system	Cross-platform
Type	Unix shell
License	MIT-Modern-Variant
Website	www,zsh,org

The Z shell ( Zsh ) is a Unix shell that can be used as an interactive login shell and as a command interpreter for shell scripting, Zsh is an extended Bourne shell with many improvements, including some features of Bash, ksh, and tcsh, Zsh was created by Paul Falstad in 1990 while he was a student at Princeton University,

It combines features from both ksh and tcsh, offering functionality such as programmable command-line completion, extended file globbing, improved variable/array handling, and themeable prompts, Zsh is available for Microsoft Windows as part of the UnxUtils collection and has been adopted as the default shell for macOS and Kali Linux,

The “Oh My Zsh” user community website provides a platform for third-party plug-ins and themes, featuring a large and active contributor base.

How do you control Z on a Mac with a Windows keyboard?

What are the main differences? – Although Windows and Mac keyboards feature most of the same keys, there are a few that differ. When using a Windows keyboard on a Mac, the Windows key is used instead of the Command key, and the Alt key is used in place of the Option key.

How do you take a screenshot on a Mac?

Take pictures using keyboard shortcuts – You can use various keyboard shortcuts on your Mac to take pictures of the screen. The files are saved to the desktop. Tip: To copy a screenshot so you can paste it somewhere—like in an email or to another device —press and hold the Control key while you press the other keys. For example, to copy the whole screen, press Shift-Command-Control-3.


Action	Shortcut
Capture the entire screen	Press Shift-Command-3.
Capture a portion of the screen	Press Shift-Command-4, then move the crosshair pointer to where you want to start the screenshot. Press the mouse or trackpad button, drag over the area you want to capture, then release the mouse or trackpad button.
Capture a window or the menu bar	Press Shift-Command-4, then press the Space bar. Move the camera pointer over the window or the menu bar to highlight it, then click.
Capture a menu and menu items	Open the menu, press Shift-Command-4, then drag the pointer over the menu items you want to capture.
Open Screenshot	Press Shift-Command 5.
Capture the Touch Bar	Press Shift-Command-6.

You can customize these keyboard shortcuts in Keyboard settings. On your Mac, choose Apple menu > System Settings, click Keyboard in the sidebar, click Keyboard Shortcuts on the right, then click Screenshots. (You may need to scroll down.) Open Keyboard settings for me Screenshots are saved as,png files and screen recordings are saved as,mov files. Filenames begin with “Screenshot” or “Screen Recording” and include the date and time.

What are Command keys on Mac?

What does the Command key look like? – The Command key, is labelled with Cmd and this quadruple loop symbol: ⌘ The icon was designed by Susan Kare, an Apple employee who joined the company in 1982. Kare took her design inspiration from a Swedish icon for a campsite. The Command key used to also have an Apple logo on it, but Apple stopped including that some time ago.

How do you copy and paste on a Mac?

With Universal Clipboard, you can copy text, images, photos, and videos on one Apple device and then paste the content on another Apple device. For example, you can copy a recipe from your Mac and paste it into a note on your nearby iPhone. Or copy a file from one Mac to paste in a folder on another Mac.

Copy on a device: Select the content you want to copy, then copy it. For example, on your Mac, press Command-C or choose Edit > Copy. The copied content is available to paste on your other devices only for a short time. Paste on a device: Position the pointer where you want to paste the content, then paste it. For example, on your iPad, double-tap, then choose Paste from the options.

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Rosemarie Basco