Mac os x lion terminal hacks

For example, man lsof displays the manual page for the List Open Files command.

Show Hidden Files

The airport command-line utility does the same and a lot more. It shows you the numeric signal strength for every access point, the channel used, and the encryption level, if any.

How to Hack Mac OS X Lion Passwords

But you can create a symbolic link to it using the one-time command below. Then just type airport -s in the Terminal's command line to get the detailed scan report.

Hint: If you don't get any output, turn Wi-Fi on in the Network system preference. In Mac OS X Share your tips in the comments section below the article! Your email address will not be published.

Macintosh Terminal Pocket Guide: Take Command of Your Mac 1, Daniel J. Barrett, eBook -

Copy and paste the commands below one at a time. After the first command, you'll be prompted to enter your password. Select the drive you've installed Mavericks on and select Repair Permissions.

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After Disk Utility is finished, you should be able to select shutdown and restart with no more lagging or stalling problems. Top Deals. Email Facebook Whatsapp Pinterest Twitter. By default, Time Machine backs up every hour when it's connected but this can be changed through Terminal.

To do so, simply enter the following command:. This makes Time Machine backup now every 30 minutes. To change it to what you want, simply replace the with the interval time in seconds so 15 minutes would be seconds, therefore enter I always forget that the Dashboard exists on my Mac. In fact, I hardly ever see a need for it. But I think that's mostly down to the fact that the widgets are hidden away inside the operating system. To be able to drag your Dashboard widgets onto your desktop, then enter the following command:.

You must log out then back in again and to drag a widget onto your desktop click and hold down on it then press F12, which dismisses it from the Dashboard and allows you to drop it onto the desktop.

Your widgets now float above open applications, similar to the Gadgets on Windows 7. Again, you'll have to log out then back in again, unfortunately. This really bugged me when I first upgraded to Lion - the fact that when you open up something like Preview, all your recently accessed PDFs coming popping up in your face, even if you closed them down properly.

Unfortunately there's no universal command to disable it across the entire OS so you'll have to do it for each individual program. If you want to disable it for Preview, then enter the following command:. By default, the Finder in OS X hides some files away from view mostly irrelevant ones but if you want to see everything on your computer, then enter in the following command:.

OS X Lion Terminal Hacks

If you want to change this, then type in the following command:. Terminal doesn't have to be difficult, does it? Above, we went over the command to drop Dashboard widgets onto the desktop, but if you want to get rid of the Dashboard altogether for example, if you're running an older Mac and have memory issues then you can do via this simple Terminal command:.

No more Dashboard. When you delete files on your Mac, OS X still leaves fragments of the file all over the free space on your hard disk drive, until these are written over by new files. If you want to securely delete all the remaining fragments on a hard disk drive for example if you're going to sell your Mac , then execute the following command:.

This command uses a special algorithm to wipe over each free area of space 35 times, far above the US Department of Defense's standard, which only requires 7 passes.

2. Kill The Dashboard

Be aware though that this process can take days on larger drives. Be aware, though, that most commands require root access. Being able to control your Mac remotely via SSH, or secure shell, is far more advantageous than screen sharing as it uses less system resources and less bandwidth. A little green light should come up, along with an IP address that you can use to log in via Terminal.

The connection between the local Mac you're using and the remote one i. You can now control your Mac and execute Terminal commands remotely, a real plus. And last but not least, if you want your Mac to speak to you, then simply use the say command, as in:. Here you can select different voices and download new ones from Apple's servers if you fancy.