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Status Apple has released Bash security fixes for Shellshock and related vulnerabilities as "OS X bash Update 1.0". They can be installed through normal system update for people using OS X Mountain Lion v10.8.5 or OS X Mavericks v10.9.5 (they are included in Security Update 2014-005) and can also be installed manually. Official Apple fixes are also ...


In any Finder window or Open/Save dialog, you can hit ⌘+⇧+G (just '/' also works in Open/Save) to get a location bar from which you can directly type in the directory to go to. It even supports ~ for home and tab completion. The Open/Save dialog has several other useful shortcuts: ⌘ + R - Reveals the selected item in a new Finder window. ⌘ + I - ...


Dropbox Put your files into your Dropbox on one computer, and they'll be instantly available on any of your other computers that you've installed Dropbox on.


Terminal Terminal.app opens a UNIX terminal and allows you to access many power-user tools and features, just as you would on a machine running Linux or BSD.


In the terminal, you can pipe the output of any command to pbcopy to copy it to the system clipboard. You can also paste from the system clipboard using pbpaste, and pipe that to another command or write the value directly to a file: Copy a string: echo "ohai im in ur clipboardz" | pbcopy Copy the HTML of StackOverflow.com: curl "http://stackoverflow.com/" ...


Preview A lot of people (especially newcomers) completely overlook what the humble built-in Preview app can do. Apart from handling PDFs (including printing them in various layouts etc), you can join PDF files together with it (open the sidebar and start dragging pdf files into it, rearrange pages etc). You can crop & resize images, adjust colour ...


You can hold option and click a position in the current line to move your cursor to that position.


pbcopy and pbpaste: # Copy output of command to clipboard grep 'search term' largeFile.txt | pbcopy # Abuse clipboard contents pbpaste | sed 's/ /%20/g' # get rid of the text attributes when you copy formatted text pbpaste|pbcopy


I always find the ⌘+⇧+4+space (you must press space at the end otherwise it doesn't work) command is really useful, and one that a lot of people don't know you can do. Upon pressing space, you get a large camera icon for your cursor, and it allows you to take a screenshot just of the highlighted window. The nice thing is that OS X preserves the ...


opensnoop is my new favorite utility. It uses DTrace to show you all of the files that are being accessed on your system, you need to execute it with superuser privileges sudo opensnoop You can also watch what a particular process opens by passing in the PID: sudo opensnoop -p PID Or watch a particular file to see who's opening it: sudo opensnoop ...


You can increase or decrease your volume by quarter increments by Pressing: ⌥ + ⇧ + Volume Up/Down The same also works for brightness. Note that this feature was disabled in Mac OS X Lion from 10.7 through 10.7.3. This feature was restored in 10.7.4. For workarounds on how to accomplish this on earlier Lion versions, see this question.


Growl Growl is a well-known 'notification' system for the Mac; many different programs support Growl and will pass notifications to it. You have a surprising degree of control over how the notifications appear, how they group themselves together, how they are dismissed from the screen etc. This can be configured universally or on an app-by-app basis, so ...


Proxy icons In a document-based application (like Finder, TextEdit, Preview, Pages…), after a document has been saved, a proxy icon for the document appears in the title bar. It represent the file itself, and can be likewise manipulated: click it for a few seconds and drag to another application to open it, or to the desktop/Finder if you want to ...


It's not built in but this is the most effective way to get my wife to stop using my laptop to read celebrity news for hours after 4–5 requests to get my Macbook back: echo 'The system is overheating and needs to go to sleep now.' | \ growlnotify -a 'Activity Monitor' 'OVERHEATED'; \ sleep 1; \ say 'Overheated system.' Since it's almost always around 70c ...


I love the fact that OS X will scroll the window that the mouse is hovering over, even if another application has focus. That way I can scroll an example that I am coding in TextMate without having to lose keyboard control on TM


Google Chrome Google Chrome is a lightweight, minimalistic web browser based off the open source project, Chromium.


⇧+⌃+⏏ puts the display (only the display, not the whole computer) to sleep and will then prompt you for a password if you have enabled Require password [amount of time] after sleep or screen saver begins under System Preferences > Security. If your Mac does not have an ⏏ (eject) key, you can use ⇧+⌃+⌽ (power).


Homebrew "The missing package manager for OS X". Like MacPorts and Fink, but simpler to use and easy to contribute to.


Holding ⌥ while clicking menu bar icons will give you additional menu items or alternate menus. The alternate volume control menu will let you choose input and output audio devices. Bonus: On older versions of OS X, this gave you the alert volume instead of devices. You can still get the alert volume using ⇧ clicking. For the airport menu, ...


VLC media player At its simplest, it's a video player that'll play nearly anything. File extensions supported include: mov, mkv, flv, wmv. It's actually considerably more powerful than that in terms of streaming and converting, but even as a straight up video player, it's impressive.


1Password 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.


TextMate TextMate brings Apple's approach to operating systems into the world of text editors. By bridging UNIX underpinnings and GUI, TextMate cherry-picks the best of both worlds to the benefit of expert scripters and novice users alike. If you’re looking for a good editor, Sublime Text 2 is quite good too by now!


Alfred Alfred is a productivity application for Mac OS X, which aims to save you time in searching your local computer and the web. Whether it's maps, Amazon, eBay, Wikipedia, you can feed your web addiction quicker than ever before. It's a wonderful piece because it enables you to: Increase your productivity by launching apps with shortcuts Instant ...

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