Tag Archive: Disk


How to View FileVault Progress When Encrypting a Mac Disk

Using Filevault on a Mac encrypts the entire hard drive and helps protect personal data from theft or unauthorized snooping. It’s a great security feature that many users enable when they’re first setting up their Mac, but some users may enable it or disable it later as well. There’s certainly nothing wrong with that, but … Read More

How to Erase a Disk from Command Line in Mac OS X

Some Mac users may require the ability to erase a disk or erase a hard drive from the command line on Mac OS, a task which is typically performed through the Disk Utility application from the GUI. The command line approach to disk erasure in macOS is a bit different and it requires precise syntax … Read More

How to Find a Disk ID & Device Node Identifier in Mac OS X Command Line

If you need to find the disk ID or disk node identifier (like /dev/disk0s2) of a volume attached to a Mac for one reason or another, perhaps the easiest way to obtain this information from the command line is with the diskutil utility. Locating a Disk ID Node in Mac OS Open the Terminal to … Read More

3 of the Best Disk Space Analyzers for Mac OS X

It’s often only a matter of time before Mac users wind up seeing the dreaded “startup disk almost full” warning message in Mac OS X, which often leads to a frantic dash around the Downloads folder as users trash unnecessary files to attempt to free up disk space. While there’s nothing wrong with going on … Read More

How to Remove a Disk from Time Machine on Mac

All Mac users should have regular automatic backups setup with Time Machine, it’s easy to use and ensures that your personal data and entire Mac is recoverable in the event something goes wrong with the computer. Some people go even further and setup redundant Time Machine backups with multiple disks for added data protection. But … Read More

How & Why to Repair Disk Permissions in OS X with Disk Utility

Repairing Disk Permissions is a simple procedure that Mac users can run with the Disk Utility app or through the command line, and, as the name suggests, it repairs the permissions of various files on the target drive. Repairing permissions can be helpful when troubleshooting some fairly specific issues, or after installing or uninstalling a … Read More

This gorgeous portable hard disk is slimmer than an iPhone 6 Plus

If you’ve ever wanted an ultra-slim hard disk drive to go along with your MacBook Air or other supermodel-thin device, now’s your chance: the Seagate Seven is set to be the world’s thinnest HDD ever — measuring just 7mm thick. To… Read more ›

How to reformat your Mac without a recovery drive or disk

There are tons of reasons why you might need to reformat your Mac: It’s slowing down, filling up with too many unneeded files to delete manually or suffering from major technical issues that can’t be fixed otherwise. Or maybe you’re… Read more ›

Safely Removing a Drive to Avoid the “Disk Not Ejected Properly” Alert in OS X Mavericks

The Mac issues a warning when an attached disk, drive, or volume has not been ejected properly, this is to insure against data loss on the drive in question, and it is good advice to follow. Of course the next obvious question for so many newcomers to the Mac platform is how on earth to … Read More

How to Install OS X Yosemite on Any External Drive (Thumb Drive, USB Disk, etc)

We’ve covered how to install OS X Yosemite onto a separate partition of an internal hard disk and dual boot with OS X Mavericks, but many Mac users have wondered if it’s possible to install OS X 10.10 onto an external drive instead, thereby avoiding any modifications to the primary Mac hard drive or partition … Read More