GoogleHow to Create Freehand Drawings and Sketches in Google Keep
Sometimes typing on a tiny mobile keyboard is too slow, or you need to quickly...
LinuxHow to View Available Memory and RAM Using the free Command in Linux
When a Linux database server begins thrashing and slowing down, the first suspect is usually...
LinuxHow to View Kernel and System Information Using the uname Command in Linux
When you are logged into a massive, headless Linux server via SSH, the standard terminal...
macOSHow to Digitally Sign PDF Documents Using Preview on macOS
When you receive a digital PDF contract via email, the traditional method of signing it...
ExcelHow to Round Decimals and Numbers Using the ROUND Function in Excel
When you calculate complex mathematical formulas in Microsoft Excel, the resulting outputs are often messy...
LinuxHow to Graph CPU Load in the Terminal Using tload in Linux
When you are managing a heavily trafficked Linux server, monitoring the CPU load average is...
LinuxHow to Diagnose Network Issues Using the mtr Command in Linux
When you are troubleshooting a severe network latency issue on a Linux server, you typically...
macOSHow to View EXIF Metadata and GPS Locations Using Preview on macOS
Every time you take a photograph with a smartphone or a digital camera, the device...
ExcelHow to Calculate Remainders Using the MOD Function in Excel
When performing division in Microsoft Excel using the standard forward-slash operator (e.g., 10/3), Excel calculates...
GoogleHow to Change Background Colors and Themes in Google Keep
If you use Google Keep as your primary digital brain, your dashboard can quickly become...
LinuxHow to Find Your Terminal Filename Using the tty Command in Linux
When you are logged into a massive, multi-user Linux mainframe, you might be connected via...
ExcelHow to Surgically Modify Text Using the REPLACE Function in Excel
When you are cleaning up a messy database in Microsoft Excel, you often need to...
LinuxHow to View User and Group IDs Using the id Command in Linux
When you log into a Linux server (especially one managed by a central directory service...
macOSHow to Add Bookmarks to PDF Pages Using Preview on macOS
When you are reading a massive, 500-page PDF manual or a lengthy digital textbook, scrolling...
GoogleHow to Insert Clickable Links and URLs in Google Keep
When you are compiling research notes or creating a reading list in Google Keep, you...
LinuxHow to View Network Card Link Speed Using ethtool in Linux
When you plug a massive server into an enterprise-grade 10-Gigabit network switch, the Linux kernel...
macOSHow to Password Protect and Encrypt PDFs Using Preview on macOS
If you need to email a highly sensitive document—such as a tax return, a medical...