TerminalHow to Use the wall Command to Broadcast Messages to Users in Linux
The Need for Emergency Communication Because a Linux server is a true multi-user environment, it...
TerminalHow to Use the patch Command to Apply Code Changes in Linux
The Challenge of Code Collaboration Before the invention of modern, centralized version control systems like...
DocsHow to Use the Equations Tool in Google Docs to Format Math Formulas
The Challenge of Typing Math If you are a student writing a physics lab report,...
macOSHow to Use the macOS mdls Command to View File Metadata
The Hidden Data Inside Your Files When you look at a photograph in the macOS...
WindowsHow to Use the driverquery Command to List Installed Drivers in Windows 11
The Hidden World of Hardware Drivers Your Windows 11 computer is a collection of hardware...
TerminalHow to Use the who Command to See Logged-in Users in Linux
The Multi-User Environment Unlike a personal Windows laptop, a Linux server is designed from the...
macOSHow to Use the macOS scutil Command to Change Your Computer Name
The Confusion of Mac Naming When you buy a brand new Mac, macOS automatically assigns...
ExcelHow to Use the DROP Function to Remove Rows from an Array in Excel
The Problem with Extraneous Data In Microsoft Excel, when you use a function like SORT...
TerminalHow to Use the od Command to View File Contents in Octal in Linux
The Limits of Standard Text Editors If you are a Linux system administrator troubleshooting a...
ExcelHow to Use the CHOOSECOLS Function to Reorder Array Columns in Excel
The Problem with Static Data Grids In Microsoft Excel, when you import a massive dataset...
TerminalHow to Use the logger Command to Add Messages to the System Log in Linux
The Importance of System Logs In a Linux environment, everything that happens—from a user plugging...
DocsHow to Use the Dictionary Tool in Google Docs to Find Definitions
The Problem with Browser Tabs If you are writing a complex academic paper, a legal...
macOSHow to Use the macOS plutil Command to Edit Plist Files Safely
What is a Plist File? In macOS, almost every application, background service, and system setting...
DocsHow to Use the Drawing Tool in Google Docs to Add Custom Graphics
The Limitation of Inserted Images If you are writing a technical manual in Google Docs,...
macOSHow to Use the macOS assetcachemanagerutil Command to Manage Content Caching
The Problem with Office Bandwidth If you manage an office with 50 MacBooks, you will...
ExcelHow to Use the ISOMITTED Function to Handle Missing Arguments in Custom LAMBDAs
The Power of Custom Functions In Microsoft Excel, the LAMBDA function allows advanced users to...
TerminalHow to Use the finger Command to Display User Information in Linux
The Challenge of Multi-User Systems Because Linux is inherently designed as a multi-user operating system,...