MAC system

In Mac OS，You may want to view hidden files or file extensions，for file management or troubleshooting。Here's how to show or hide these in Mac OS： Show or hide hidden files 1. Use shortcut keys •Open the Finder。 •Press Command + Shift + .(period) key。 •This will toggle showing or hiding hidden files。If hidden files show，You can hide it by pressing the same shortcut key。 2. Via Terminal Commands •Open Terminal，You can click on the magnifying glass icon on the desktop，Type "terminal" and press Enter to find。 •Enter the following command and press enter： defaults write com.apple.finder AppleShowAllFiles -bool true •Then enter： killall Finder This will restart the Finder and show all hidden files。 If you want to hide these files，Enter again： defaults write com.apple.finder AppleShowAllFiles -bool false killall Finder Show or hide file extensions 1. Settings via Finder •Open Finder。 •In the menu bar，Click Finder and select Preferences。 •In the Preferences window，Select the Advanced tab。 • Check "Show all filename extensions" to display file extensions。 •If you want to hide file extensions，Uncheck this option。 2. From the file information panel •In the Finder，Select a file。 •Right click on the file，Select Show Info or press Command + I。 •In the Info panel，Expand the "Names and Extensions" section，You can manually adjust the display of extensions。...

If you want to test network speed on Mac，To ensure the performance of your network connection or to diagnose network problems，The following methods can be used： Use the built-in Network Utilities 1. Open "Network Utilities" •Click on the Apple icon in the upper left corner of the desktop，Select "System Preferences"。 •In System Preferences，Select "Network"。 •In the Network window，Click the "Advanced" button in the lower left corner，Then select the Network Utilities tab。 2.Test your network speed •In the Network Utilities window，Select the "Information" tab。 •View network connection details，including signal strength、Connection speed etc.。 Use an online internet speed test tool 1. Visit the Internet speed test website •Open Safari or other browsers。 •Visit a popular internet speed test website，For example Speedtest.net or Fast.com。 2.Run the test •Click the "Start Test" or similar button on the website。 •Wait until the test is complete，You will see the download speed of your network、Upload speed and latency (ping) and other information。 Use the terminal command line tool 1. Install speedtest-cli • Open the Terminal application (this can be done by clicking on the magnifying glass icon on the desktop，Type "terminal" and press Enter to find)。 •Install the speedtest-cli tool，Enter the following command and press Enter： brew install speedtest-cli if Homebrew is not installed，You need to install Homebrew first。 2.Run the test •In the terminal，Enter the following command and press Enter： speedtest This will show your network download speed、Upload speed and latency information。 Through the above methods，You can easily test network speed on your Mac system，Ensure network connection stability and performance。

Virtual Keyboard is a accessibility keyboard in macOS，It not only provides advanced typing features such as typing suggestions，Also has navigation function。So，How to enable the on-screen virtual keyboard on a Mac computer? 1. In the menu bar in the upper right corner of the screen，Tap the input method menu icon。 2.Select "Show keyboard display program"。 so，A white virtual keyboard window will appear on the screen。You can enter text by clicking on this keyboard。 If you need to close the virtual keyboard window，Just click the red close button in the upper left corner of your keyboard。

Termius usage tutorial：How to connect to the server through SSH [XShell alternative artifact] Termius is a very easy-to-use and beautiful SSH client，Ability to quickly remotely control servers，You can also customize your favorite themes。It not only supports Windows、Linux、macOS，Also supports Android and iOS，Allow programmers to troubleshoot online problems anytime and anywhere，Greatly facilitates work。 Software features •Free •Supports username, password and key mode •Common script snippets (can be sent to multiple hosts at the same time) •Full platform support •Cloud synchronization (just register an account) •Split-screen mode (no setting method has been found yet) Software environment •One Mac •Termius client •One remote server Software configuration •Terminal (theme)、color matching、Fonts, etc.) •Shortcuts (shortcut keys) •Known Hosts (host address management) •Keychain (login information management) •Profile (account information) Configuring keys Today we mainly learn how to configure login information (key mode)。Follow these steps： 1.Click the downward arrow in the upper right corner，Select Keychain。 2. Click ADD KEY (ADD IDENTITY...

Many Mac users may not know，Mac computers have a hidden screen-rotating feature。by rotating the screen 90 degree，You can read e-books or movies while lying down。So，How to rotate the screen on a Mac computer? Let me share with you the specific method below，Let’s take a look together。 1. Open System Preferences •Click on the Apple icon in the upper left corner，Choose to enter System Preferences。 2. Go to monitor settings •In System Preferences，Click on the "Display" option。 3. Select the rotation angle •In the monitor settings interface，Find the "Rotate" option。There are three rotation angles to choose from in the drop-down menu：90 degree、180 degree and 270 degree。After selecting the desired rotation angle，Exit settings to complete。 Notes •If you don’t see the “Rotate” option in your monitor settings，It may be that your computer does not support the screen rotation function。 Go through the above steps，You can easily rotate your Mac screen，Bring more convenience to your use。

How to completely uninstall AutoCAD 2019：Tutorial for uninstalling CAD on Mac. Many Mac users find that after installing AutoCAD，Found that all files cannot be completely cleared during uninstallation，Especially if you want to update to a new version of AutoCAD。This tutorial details how to completely uninstall AutoCAD 2019。 1. Use the software’s built-in uninstaller •Click Launchpad to enter the software menu，Find and click "Remove AutoCAD 2019"。 2. Continue the uninstall process •Click “Continue” to continue uninstalling AutoCAD 2019 Cracked version。 3. Enter your administrator password •After entering your Mac password，Click "OK" to agree to uninstall AutoCAD 2019。 4. Complete the initial uninstall •After canceling the "OK" option，Click "Close"。 5. Check for residual files •Open Launchpad to check if there are still any residual files。 6. Manually delete residual files •Go to the Applications folder，turn up...

Many new Mac users don’t know how to type command⌘、Special symbols such as option⌥，Most of the online tutorials are out of date or complicated and difficult to understand.。Today I will share with you a simple and easy-to-understand tutorial，Teach you how to type these special symbols on Mac computers。 1. Open System Preferences •Enter System Preferences，Select "Keyboard"。 2. Enable special symbols option • Check the options in the red box (if already checked, no changes are required)。 3. Display emoticons and symbols •Click the input method icon in the status bar，Select "Show emoticons and symbols"。 4. Custom symbol list •In the pop-up interface，Click the settings gear icon in the red box，Then click "Customize List"。 5. Add technical symbols •In the pop-up interface，Check "⌘ Technical Symbol" in the red box。 6. Type special symbols •Now you can see various special symbols，Double-click the symbol to type it out。 7. Quickly call out symbols •Enter symbols quickly and easily，Follow these steps： •Open System Preferences → Keyboard，Select the "Text" column。 •Press the "plus sign" in the image to add a shortcut code。 • For example： •The input code is “command”，The phrase is "⌘" •The input code is "option"，The phrase is "⌥"

To view system operating information and memory usage on your Mac，You can open Activity Monitor in two ways:： Method one： 1. Open Activity Monitor via Launchpad • Click on the Launchpad icon at the bottom of the screen。 •Find the "Other" folder in Launchpad and click to open。 •Find “Activity Monitor” in the “Other” folder and click to open。 Method two： 1. Open Activity Monitor via Finder • Click the Finder icon at the bottom of the screen。 •In the toolbar on the left side of the Finder window，Click "Apps"。 •Find and double-click the "Utilities" folder on the right。 • Find “Activity Monitor” in the “Utilities” folder and double-click to open it。 Through the above two methods，You can easily open Activity Monitor，Check your Mac’s system running information and memory usage。

Many Mac users may encounter this problem：How to prevent others from viewing files or photos on your Mac? Mac is not like PC where you can hide folders directly，So how does macOS encrypt files? Today I will bring you a tutorial on encrypting files on Mac。 step one：Open Disk Utility 1. Method one：Via the magnifying glass button • Click the magnifying glass button in the upper right corner of the screen。 •Enter “Disk Utility” in the pop-up dialog box，Then press Enter。 2. Method two：Via Launchpad •Click the Launchpad icon at the bottom of the screen。 •Find the "Other" folder in Launchpad and click to open。 •Select "Disk Utility" in the "Other" folder and click Open。 Step 2：Create an encrypted folder 1. Click "File → New Image → Blank Image" in the menu bar in the upper left corner。 2.Enter the folder name in the dialog box，And select the encryption method in the encryption options below。 3.The system will pop up a dialog box，Ask for password and verify。After input is completed，Click the "Choose" button，Then click "Save" at the bottom right of the dialog box。 4.After setting up，Two icons will appear on the desktop。Drag the file that needs to be encrypted to the second icon (the original file will still be in，Finally delete the original file to achieve the encryption effect)。 5.After dragging and dropping files，Right click on the icon，Select "Launch 'Unnamed'"。Finally, click on the encrypted .dmg file and enter the password to view the encrypted file。 Go through the above steps，You can create an encrypted folder on your Mac，Effectively protect your privacy and important files。

Mac computers are our commonly used Internet tools，Sometimes we need to take a break but don’t want to interrupt our current work，So how to lock the screen quickly? Here’s how to quickly lock the screen on your Mac computer，Hope it helps everyone。 Setup steps： 1. Open System Preferences •Click on the Apple icon in the upper left corner of the desktop，Select "System Preferences" from the drop-down menu。 2. Go to Security & Privacy • In the System Preferences screen，Click "Security & Privacy"。 3.Unlock Settings •Click the “General” tab above，Then click the lock icon at the bottom left of the interface。 •Enter the password in the pop-up dialog box and select "Unlock"。 4. Set a password requirement • Select "Require password now" in the "Enter sleep or start screen saver" section，Close the page when finished。 5. Set a screen saver •Return to System Preferences，Click on "Desktop & Screensavers"。 •Select the "Screensaver" tab above，Then click "Trigger Corner" at the bottom right of the interface。 6. Set the trigger angle •In the pop-up trigger angle setting interface，Select a corner as the corner to trigger the screensaver，After the settings are completed, click "OK" on the lower right。 •Now，Move the mouse to the corner you just set to complete the quick lock screen。