Tag Archive: Command


Prevent System Sleep While a Process or Command is Active in Mac OS X

Many Mac users use utilities to temporarily prevent their computer from sleeping, often relying on sleep corners, the third party tool called Caffeine, pmset, or more recently, the command line utility that is now bundled with OS X called caffeinate. By default, the Caffeine menubar item and the caffeinate command both will prevent sleep as … Read More

Recursively Create a Nested Directory Structure & All Subfolders with a Single Command

Creating a series of nested directories within one another can be done instantly through the command line. This makes it very easy to immediately and recursively create a complex directory structure of folders within subfolders of subfolders, without having to navigate manually into each directory to create a new directory, then navigate again to that … Read More

Create ASCII Art Text Banners at the Command Line

Graphics and large stylized text blocks constructed entirely out of the ASCII keyboard characters is called ASCII art. You may have seen it with the goofy ASCII Star Wars thing, but once upon a time it was very popular to stylize messages and images on BBS’s, IRC, MUDs, message boards, and across the early days … Read More

Instantly Eject All Mounted Drives & Disks from the Command Line in Mac OS X

The next time you’re at the command line and need to eject every single mounted volume, hard drive, disk, disk image, and/or external drive attached to a Mac, you can instantly eject them all in one fell swoop with a handy osascript command string. This is great if you work frequently in the Terminal and … Read More

How to Check Bluetooth Keyboard Battery Levels from the Command Line on Mac OS X

Ever needed to remotely check the battery level of a Bluetooth keyboard connected to a Mac? Or maybe you’re just a heavy Terminal user and wanted to see the current battery life of a wireless keyboard without having to leave the command line? You can do that easily through the Terminal of either a remote … Read More

Send Data Across Networked Computers with Netcat Using the Command Line

Netcat is a powerful command line tool that can read and write data across a network connection using TCP/IP, it’s commonly used for relays, file transfer, port scanning, amongst other things. Though netcat origins are from the unix and linux worlds, netcat is also built into Mac OS X, and we’re going to use the … Read More   [Read More…]

Send Data Across Networked Computers with Netcat Using the Command Line

Netcat is a powerful command line tool that can read and write data across a network connection using TCP/IP, it’s commonly used for relays, file transfer, port scanning, amongst other things. Though netcat origins are from the unix and linux worlds, netcat is also built into Mac OS X, and we’re going to use the … Read More

Send an SMS Text Message from the Command Line

When you think of sending out text messages you probably think of the iPhone or an Android, and the command line doesn’t cross your mind, but thanks to the ever-useful curl command, you can send out a SMS text message to any phone number right from the Terminal. Yes, curl, the same command line tool … Read More

Send an SMS Text Message from the Command Line

When you think of sending out text messages you probably think of the iPhone or an Android, and the command line doesn’t cross your mind, but thanks to the ever-useful curl command, you can send out a SMS text message to any phone number right from the Terminal. Yes, curl, the same command line tool … Read More

Using cURL to Download Remote Files from the Command Line

The powerful curl command line tool can be used to download files from just about any remote server. Longtime command line users know this can be useful for a wide variety of situations, but to keep things simple, many will find that downloading a file with curl can often be a quicker alternative to using … Read More