449
votes
136answers
295k views

Please share your hidden OS X features or tips and tricks

Do you know any hidden or little-known nice feature of Mac OS X? It doesn't matter what it is—maybe just a short terminal command or a keyboard shortcut. Share your experiences on hidden Mac OS ...
349
votes
7answers
260k views

How do I recompile Bash to avoid Shellshock (the remote exploit CVE-2014-6271 and CVE-2014-7169)?

Given that Bash 3.2 (the version shipped by OS X) is vulnerable to the remote execution exploit known as "Shell Shock" (CVE-2014-6271 and CVE-2014-7169) how do I rebuild Bash and secure my system ...
245
votes
30answers
137k views

What Window Management Options exist for OS X?

I'd like to do something with my windows on OS X, where something includes options like re-arranging, moving, re-sizing, remembering positions, cloning across Spaces, etc. What options exist? Rules ...
226
votes
8answers
140k views

How can I configure Mac Terminal to have color ls output?

How can I configure Mac Terminal to have color ls output? I am using MacOS 10.5
193
votes
7answers
97k views

Make the green full screen window icon on Yosemite maximize windows

On Mac OS X Yosemite the green icon in every window: is by default used to make the application full screen. How do I make it work the same way as in previous versions of Mac OS X, i.e. to ...
185
votes
10answers
106k views

How do I remove the Google Chrome notifications bell icon from the Mac OS X menu bar?

This bell icon showed up in my menu bar one day and there's no obvious way to disable it. How do I get rid of it?
183
votes
4answers
57k views

How can I disable animation when switching desktops in Lion?

I would very much like to disable the sliding animation that occurs when switching desktops via ctrl+→/← or ctrl+[number] in Lion. This was previously accomplished in previous versions ...
165
votes
8answers
73k views

How do I disable Chrome's two-finger back/forward navigation?

In dev builds of Chrome, they've implemented, refined, and released two-finger swipes left/right in order to browse back/forward in the browser history. Unfortunately, you can accidentally trigger it ...
164
votes
107answers
52k views

What tiny thing in Lion makes you smile or has caught you off guard?

I would like to call for a place to list some little things that surprise you about Lion. There are so many articles and lists of all the new features with information overload, I would rather focus ...
164
votes
8answers
59k views

I included emoji in my password and now I can't log in to my Account on Yosemite

I wanted to check if it's possible to use emoji in a password for my Account on OS Yosemite. It worked but I didn't realize that the login screen has only native keyboards, so I can't type emoji ...
148
votes
8answers
77k views

How can I trigger a Notification Center notification from an AppleScript or shell script?

I'd love to be able to take advantage of 10.8's Notification Center features in AppleScripts and shell scripts I write. Is there a built-in command or a third-party library I can use from either an ...
146
votes
7answers
62k views

Why isn't iTunes shuffle random?

This is a problem that has bugged me for the last 5 years, across multiple devices, operating systems and installs of iTunes and iPods. I have found that the iTunes shuffle feature does not randomly ...
142
votes
4answers
66k views

How to fix brew after OSX upgrade to Yosemite?

I faced some issue with Homebrew. I upgraded to Yosemite. After the upgrade, homebrew seems to be broken. I would run any brew command and get this error /usr/local/bin/brew: ...
135
votes
3answers
70k views

What is the “rootless” feature in El Capitan, really?

I have just learned about the "Rootless" feature in El Capitan, and I am hearing things like "There is no root user", "Nothing can modify /System" and "The world will end because we can't get root". ...
134
votes
23answers
35k views

Is there a quick way to lock my Mac?

On Windows you can hit the keys Windows+L to lock your computer if you step away. I don't want to have to remember if sleep currently asks for a password, if there is a time out where my screen isn't ...
129
votes
2answers
861k views

How to Retrieve the Wi-Fi Password of a Connected Network on a Mac

I need to find the password for a Wi-Fi network that I am already connected to. I'm using a MacBook Pro that's running OS X Lion. Any guidance is appreciated.
125
votes
6answers
39k views

Remap “Home” and “End” to beginning and end of line

Most of my computing time is spent in Linux (with occasional time in Windows). On these platforms the Home and End keys universally jump to the beginning or end of the current line. I am gradually ...
117
votes
8answers
255k views

How to change computer name so terminal displays it in Mac OS X Mountain Lion? [duplicate]

When I setup my computer I named it "Scott's MacBook Pro". And so when I go to System preferences->Sharing, it says Scott's MacBook Pro there as my computer name. However, opening up a terminal gives ...
114
votes
4answers
58k views

git auto-complete for *branches* at the command line?

On my linux machine I have autocomplete for branches with git. [Note we are talking about git branch completion, not bash completion (e.g. commands, files, etc). Thus NOT lane's answer at all] For ...
112
votes
57answers
21k views

What tiny thing in iOS 5 makes you smile, or has caught you off guard?

iOS 5 is here! Geofencing, new Voices in Voice Command/Siri, and Notification Center for all! We all know how heartfelt iOS makes you seem (Cards), how much control it gives you for managing your ...
109
votes
25answers
132k views

OS X Terminal “must have” utilities [closed]

I've just read with pleasure, and learned a lot from these questions : OS X Terminal Tips and Tricks OS X Hidden features and nice tips & tricks OS X Applications you can't live without But I ...
107
votes
7answers
355k views

How can I manually delete old backups to free space for Time Machine?

I use a Time Capsule for backup and now I want the drive to back up data from an extra Mac. But the drive is filled up with old backups from Mac 1. There simply is not enough space available for the ...
101
votes
53answers
18k views

What features of Mavericks are beneficial to you?

This question serves to share and collect the enhancements that make a large difference to how you use your Mac. Please post one feature per answer. Please also check to see if your answer has ...
101
votes
2answers
149k views

How can I create a symbolic link in Terminal?

What command is used to create a symbolic link/soft link?
99
votes
8answers
59k views

How to simulate slow internet connections on the mac

What's a good software solution to slow down internet connections on the mac for testing and simulations? My primary need is when testing code in the iPhone / iOS simulator, so slowing down the ...
97
votes
13answers
37k views

Keyboard shortcut for restoring applications from the Mac OS X Dock?

Is there a keyboard shortcut to restore a minimised application window from the Dock? Almost all Apple Mac OSX applications respond to the Apple + M command which minimises the current application ...
97
votes
10answers
90k views

How to change the default behaviour of the fullscreen/maximize button?

There is a question that deals with the different behaviour of the fullscreen button in the window bar. There, it is shown that by doing: ⌥ + ⇧ + Click on green or outer right icon (plus icon) I can ...
96
votes
9answers
83k views

What do I type to produce the command symbol (⌘) in Mac OS X?

What combination of keys do I press to produce the command symbol (⌘) on Mac OS X? (I copied the above symbol from http://en.wikipedia.org/wiki/Command_key.)
96
votes
5answers
166k views

Can I open files in TextEdit from the Terminal in Mac OS X?

I frequently find that a terminal command to open a file in TextEdit would be very handy. Does such a command exist on Mac OS X?
96
votes
9answers
69k views

WindowServer high CPU on Yosemite

This is a follow up to So my Yosemite install is slow - what to do? Since installing Yosemite a week or so ago my machine is very sluggish. I am a web developer so I change windows/apps a lot. ...
94
votes
3answers
51k views

List of all apps installed using Homebrew

Is it possible to and how do I get a list of all the apps installed on my Mac using Homebrew? I am not interested in apps installed outside of Homebrew.
93
votes
4answers
47k views

What are pros and cons for MacPorts, Fink and Homebrew?

I'm just migrating from Ubuntu Linux to Mac, and everything is new and I'm re-learning a lot of stuff. On Linux I had the excellent apt-get to manage software packages. I googled for an alternative ...
93
votes
8answers
71k views

What is the difference between iTerm2 and Terminal?

I keep hearing that iTerm2 is much better than Terminal. I downloaded iTerm2 today and played around with it, but I couldn't see what is so much better about iTerm2. iTerm2 seemed just like Terminal. ...
91
votes
10answers
193k views

How can I mount an ext4 file system on OS X?

Is there a safe, stable application for reading from and writing to ext4 file systems on Mac OS X? If not, what's the best way to access the contents of an ext4 file system on ...
88
votes
17answers
99k views

Is there a Mac OS X Terminal version of the “free” command in Linux systems?

On Linux, I often use the free command to see the current amount of free and used memory in the system. For example: $ free total used free shared buffers cached ...
86
votes
6answers
99k views

What is installd, and why is it eating my CPU?

My Macbook is frying my lap, and the CPU monitor is going crazy: over 200% CPU being used by something called "installd". What is it? Can I kill it? (OS X 10.8.)
86
votes
5answers
23k views

“File Open” dialog is missing sidebar items

I'm having the strangest issue since updating to OS X El Capitan. My "Open File" dialogs show the sidebar but all my main (and useful) locations are missing. Take a look at this screenshot. This ...
84
votes
53answers
14k views

What un(der)-documented features have you stumbled upon in Mountain Lion?

This question serves to share and collect the enhancements which are not documented by Apple, or documented poorly. Please justify your answer; if it is something that is well documented by Apple and ...
82
votes
16answers
64k views

Why is Git not found after installing OS X Lion?

I just upgraded to OS X Lion and now cannot initialize Git where it used to work fine: $ git add . -bash: git: command not found I'm new to Git and to programming, so I'm sure it's a quick fix, ...
81
votes
13answers
81k views

Write in NTFS using Mavericks [duplicate]

I was able to read and write NTFS filesystems normally in Mountain Lion, but after the upgrade this stopped to work. I installed ntfs-3g and fuse4x using homebrew in Mountain Lion and followed the ...
80
votes
9answers
154k views

Why doesn't .bashrc run automatically?

I put some alias commands in my .bashrc file, so that they might be loaded everytime I open a new Terminal window. Yet this doesn't happen. I have to select run script: in the ...
80
votes
13answers
79k views

How to stop OS X from writing Spotlight and Trash files to memory cards and USB sticks?

When plugging a USB stick into a Mac, OS X creates a number of hidden files on the stick, including a Spotlight index and Trash folder. Example from the terminal for a USB stick "Untitled": $ ls -a ...
79
votes
9answers
29k views

Is it 'OK' to use the root user as a normal user?

I have enabled the root user on my Mac so I can log into it and run Finder etc. Being the lazy person that I am, just transferred everything from my home directory to /var/root. I'm not too sure of ...
79
votes
1answer
106k views

How do I launch Finder from terminal or command line [duplicate]

I use command line a lot, like most programmers. I want to be able to launch Finder, Safari or any other application for that matter from command line e.g. finder . where it will start Finder ...
76
votes
16answers
218k views

How to combine two images into one on a Mac?

Say I have two photos (or any images), for example with the following dimensions: +----------+ +----------+ | | | | | | | | |320 x 428 | and ...
75
votes
2answers
193k views

Creating A Bootable USB Of Windows 8.1 On OS X?

Reasons for wanting create such a usb include: PC is unbootable and you want to prepare a bootable USB using the ISO file that you have on your external hard drive. to install Windows 8.1 on Mac ...
75
votes
10answers
481k views

How to add a line break in a cell in Excel for Mac

What key combination do I have to press to create a line break in a cell in Excel for Mac 2011? The Windows combination of Alt+Enter does not work on the Mac.
73
votes
3answers
33k views

Open Finder window from current Terminal location?

If I am in a specific path in a Terminal window, how can I open that same window in a new Finder window? Note: This is the opposite of opening a Terminal from Finder.
72
votes
6answers
60k views

How to remove unused MacPorts packages?

Whenever I install a program via MacPorts, it gets and installs lots of dependencies. When I uninstall said program, how do I make MacPorts recursively remove all unused dependencies with it?
71
votes
11answers
890k views

Ctrl + Alt + Delete: Mac Equivalent?

Ctrl + Alt + Delete on Windows provides a variety of functions, the main one of interest being the Task Manager. Is there an equivalent keyboard shortcut & indeed Task Manager for carrying out ...

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