macOSHow to Enable the “Firewall” in macOS to Block Unwanted Connections

Macs have a legendary reputation for security, largely because macOS is built on a rock-solid...

iOSHow to Use the iPhone “Check In” Feature in iMessage to Notify Friends When You Arrive Safely

For decades, standard texting etiquette has included the phrase, “Text me when you get home...

ExcelHow to Insert a Page Break in Microsoft Excel for Printing

Unlike Microsoft Word, which visually separates your document into standard 8.5 x 11-inch pages right...

UbuntuHow to Read the Beginning of a File Using the head Command in Ubuntu Terminal

When you need to view the contents of a text file in the Ubuntu terminal,...

ChromeHow to Use the Chrome Task Manager to Find Memory-Hogging Tabs

Google Chrome is widely regarded as the fastest and most reliable web browser available. However,...

macOSHow to Create a Custom Automator Quick Action to Resize Images in macOS

If you manage a website, create presentations, or frequently email photographs, you know the frustration...

iOSHow to Enable “Optimize iPhone Storage” to Save Space on Photos

Modern iPhones feature incredible cameras capable of shooting massive 48-megapixel raw photos and ultra-high-definition 4K...

ExcelHow to Add a Sparkline (Mini Chart) in Microsoft Excel

Large, detailed charts are excellent for PowerPoint presentations, but they take up a massive amount...

UbuntuHow to Use the history Command to Re-Run Previous Commands in Ubuntu

Working in the Linux terminal often involves typing out incredibly long, complex commands featuring absolute...

macOSHow to Enable “Target Disk Mode” on a Mac to Transfer Files

If you buy a new MacBook, Apple provides a very simple “Migration Assistant” to transfer...

WindowsHow to Add a Hanging Indent in Google Docs

If you are writing an academic paper, creating a “Works Cited” page or a bibliography...

ExcelHow to Make a Pie Chart in Microsoft Excel

When you need to show how individual parts make up a whole—such as displaying the...

macOSHow to Force Your Mac to Empty the Trash When a File is in Use

You have dragged a massive, 50GB video file into the Trash. You right-click the Trash...

UbuntuHow to Create a Hidden File or Directory in Ubuntu Terminal

If you share a Linux computer with other users, or if you frequently give presentations...

iOSHow to Enable “Emergency SOS via Satellite” Demo on iPhone 14 or Newer

If you hike in remote areas, drive through long stretches of desert, or take your...

AndroidHow to Turn Off Personalized Ads on Android

Have you ever searched for a new pair of running shoes on your phone, only...

iOSHow to Enable “Protect Mail Activity” in Apple Mail on iPhone

When you open a marketing email from a retailer, political campaign, or newsletter, you are...