Tag Archive: Command


List User Accounts on Mac from Command Line

Mac administrators may find themselves in a situation where they need to display a list of all user accounts on a particular Mac by way of the command line. We’ll review a few methods for advanced individuals to list all accounts, both user and system, on any Mac with any version of Mac OS X … Read More

How to Change Mac System Language via Command Line

Polyglots, learners, and the bilingual often want to change their Mac system language for obvious reasons, but another less obvious situation can occur if you’re troubleshooting a Mac that either originates in another country, had the language changed at some point, or is just set to a different language. Since it can be pretty challenging … Read More

How to Reload bash_profile, zsh profiles from Command Line

For anyone making customizations to their command line appearance, prompt, adding aliases, a new PATH, setting environment variables, or otherwise changing their bash_profile, bashrc, zshrc, and related shell profiles, it’s helpful to know how to quickly reload the profile. Many users simply launch a new shell or open a new terminal window, but there is … Read More

Enable a Confirmation When Deleting Files & Folders with rm Command

Most command line users know that the “rm” command for removing and deleting files is quite powerful, able to delete just about any file imaginable within the file system – whether it should be removed or not. Once you add in wildcards and sudo, rm and srm because exponentially more potent and potentially dangerous, so … Read More

Find Detailed Wi-Fi Connection History from Command Line of Mac OS X

There are some situations where knowing exactly what wireless networks a Mac has connected to and when that connection was last established can be helpful. We’ll demonstrate how to uncover a comprehensive listing of specifics about previously joined wi-fi networks, which will include the last connection date and time (to the second!), if the network … Read More

How to Change DNS from Command Line of Mac OS X

Advanced Mac users may find it useful to know that DNS servers in OS X can be set from the command line, without having to turn to the System Preferences Network control panel. While the GUI Network control panel is undeniably the easiest approach for most Mac users, the command line method offers benefits for … Read More

Fire breaks out at Apple’s Arizona command center

A fire of unknown origin broke out today in Apple’s command center in Mesa, Arizona. Local firefighters responded at around 11:30 Tuesday morning to the structure, which formerly held sapphire glass supplier GT Advanced Technologies. A Mesa fire spokesperson said… Read more ›

How to Disable Gatekeeper from Command Line in Mac OS X

Though most Mac users will want to keep Gatekeeper enabled for security purposes, some advanced users find that Gatekeeper is overly zealous in preventing third party apps from being used in OS X. While it’s easy to turn off Gatekeeper through the System Preferences on a Mac, another option is to disable Gatekeeper by using … Read More

Perform Detailed DNS Lookups with host Command in OS X

All domains are associated with an IP address, whether it’s for a website, mail server, or whatever else. While using nslookup offers a simple way to get DNS information and an IP for a specific website or domain, if you want a significantly more detailed retrieval, you can use the host command instead. The host … Read More

How to Enable & Disable root User from Command Line in OS X

Though most advanced Mac users will find it easiest to enable root with Directory Utility from the GUI of OS X, another option is to turn to the command line. No, we’re not talking about using sudo or su, we’re talking about enabling the actual root user account, which can be appropriate for some complex … Read More