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77
votes
16answers
156k views

What file comparison tool can I use under OS X?

My favorite file comparison tool was Beyond Compare but since I recently switched to OS X, i'm no longer able to use it and I'm looking for an alternative, preferably a free one. Update: I made the ...
77
votes
15answers
43k views

How do I open the context menu from a Mac keyboard?

In Windows, one can hit Shift+F10 to access the "Context Menu." But a similar keyboard action doesn't seem possible on Mac. One potential application... When I make a spelling error in a document, ...
77
votes
13answers
125k views

How do I turn off App Store notifications in Mountain Lion

The App Store on Mountain Lion pushes update notifications through Notification Center. Unfortunately, this also happens for users that are not system administrators (and so cannot run the App Store). ...
76
votes
9answers
269k views

Copying ISO file to USB drive in OS X?

I have tried to copy an ISO file to a USB drive. I am unable to do it with Disk Utility. How can I copy the ISO file to a USB drive? But I get the below. I have enough space in the 16GB USB drive for ...
76
votes
16answers
60k views

Copying the current directory's path to the clipboard

What's a quick way of copying the path to the directory that's currently open in Finder? Copying that path is very easy in Linux and Windows file managers - you just need to copy it from the address ...
76
votes
3answers
26k views

Enter a filename in the File Open dialog

Can I enter a path to a file and its name instead of selecting a file in Mac OS X file dialog? I tried just typing into an open dialog but it will just try to "Go to a folder", it won't accept a full ...
76
votes
11answers
188k views

How to view Root directory and subdirectories in Finder?

Apparently, the Macintosh HD icon on the desktop points to the root directory but it is not showing all the contents. Some of the files and directories are the same as those which I see when I ...
76
votes
7answers
2.6m views

Is there any way to view saved wifi passwords on the iPhone?

I've previously connected to a wifi network on my iPhone but I've no way of finding out the password. So is there any way to view saved wifi passwords on the iPhone?
76
votes
11answers
248k views

How to print an image across two pages

I have a long image that's about 8 inches wide by 20 inches tall. It's open in Preview. For the life of me, I can't figure out how to get the top half of the image to print on one sheet of letter ...
76
votes
9answers
134k views

Write to NTFS-formated drives on Yosemite [duplicate]

I sometimes need to mount USB drives that are NTFS formatted and write to them. On Mavericks I achieved this using the Homebrew formula ntfs-3g which depends on osxfuse. After upgrading to Yosemite, ...
76
votes
8answers
365k views

How do I set environment variables on OS X?

I have always difficulties setting the Environment variables in OS X like JAVA_HOME, M2_HOME or PATH. How to set these on OS X Mavericks? I did some research but the answers I've found didn't really ...
76
votes
4answers
123k views

How does iMessage know that the recipient is an iOS 5 device?

When you send a message using the Messages app, iOS seems to magically figure out that the recipient is on iOS 5 and automatically switches over to iMessage (blue messages instead of green SMSs). ...
76
votes
3answers
22k views

How to disable Full Screen Animation on OS X 10.9

When an OSX window is promoted to be full screen there is a one second transition animation. How can this be disabled system wide? We would like the transition from small window to full screen to be ...
75
votes
6answers
110k views

Homebrew: Rollback from Python 3.7 to Python 3.6.5.x?

A brew upgrade upgraded my system Python to Python 3.7. Unfortunately, Python 3.7 breaks other software I need to use (including but not limited to Ansible). I imagine these problems will be worked ...
75
votes
5answers
87k views

Why is my host name wrong at the Terminal prompt when connected to a public WiFi network? [duplicate]

For three days straight, I have connected to the public WiFi network at my local library. Each day, I have seen a different prompt in Terminal. Here are some of the prompts I've seen: zp-pc:~ russell$...
75
votes
7answers
221k views

How can I list all user accounts in the terminal?

How can I list all local user accounts in Terminal (whether logged in or not?) The commands users or who does not provide this information. OS X version is 10.6.8. I have seen this suggested command -...
75
votes
3answers
74k views

truecrypt 7.1a requires Mac OS X 10.4 or later on Yosemite 10.10

After reading articles about the state of Truecrypt in February 2015, I decided to download the last stable version of Truecrypt that allows full usage of Truecrypt: that is, version 7.1a 7.2 ...
75
votes
1answer
41k views

How do I get Sublime Text's open-file GUI to show hidden files?

I know how to tell Finder to show hidden files, but when I try to open a file in Sublime Text, the GUI that pops up do not let me see hidden files. How do I tell it to show me hidden files?
75
votes
8answers
113k views

Mail App keeps popping up in the background in Mac OS Mojave

When I am doing some work on my macbook pro, Mail app's main window keeps popping up in the background, it even pops up when I watch movies by interrupting full screen. This is so frustrating, I can't ...
74
votes
1answer
124k views

How do I get F11 and F12 to behave like normal function keys?

I have a 2013 MacBook Pro Retina 15" and I'm trying to set the function keys to perform as normal function keys. So I want the behaviour to be inverted from the standard behaviour where I need to ...
74
votes
8answers
50k views

How to set PATH for Finder-launched applications

Apps launched via Finder seem to not respect the PATH as set in .bash_profile. So when I try to run code from an IDE (Intellij) I no longer have access to programs in /usr/local/bin, which is ...
74
votes
5answers
35k views

Make the Menu Bar never show while in Full Screen

Pretty much every application I use in full-screen (including Firefox, MacVim and the Terminal) have tabs on the top of the screen. The problem is, when I move my mouse to reach the tabs I'll often ...
73
votes
1answer
150k views

Where are books stored after iBooks migration on Mavericks?

After upgrading to Mavericks all of my books from iTunes have been migrated to iBooks. They are no longer in my media library and I haven't been able to locate them as of yet. So where does iBooks ...
73
votes
17answers
68k views

Prevent iTunes from opening when connecting bluetooth headset

Every time I connect my bluetooth headset to my Mac, iTunes decides it's time to launch. Is there a way I can prevent this behavior? I found this thread, but there is no solution: https://...
73
votes
2answers
35k views

Displaying combined file size of selected files in Finder

To find details about a files size, you can right click and select "Get Info": When I select a large number of files, and want to get information about all if them together as a single selection, ...
73
votes
3answers
25k views

Why does Numbers hide a huge PNG file in exported Excel sheets?

OK, this is a weird one. I take my blank Numbers sheet: ...and export it to Excel: Whoah, that seems a little large. Let's rename the Excel doc to .zip and have a look inside: Digging a little ...
73
votes
4answers
5k views

Can I get back Snow-Leopard-like application hiding (Cmd-H) in Lion?

Till Mac OS X Snow Leopard, pressing ⌘+H while using an application did two things... The application hid itself from view. The application placed itself at the end of the ⌘+⇥ ...
72
votes
12answers
192k views

This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading

Macbook Pro 13" 2015 with OS X Yosemite on board. I've been trying to install OS X El Capitan, but always get the following message: "This copy of the Install OS X El Capitan application can't be ...
72
votes
10answers
61k views

Magic Mouse can never reconnect on Yosemite

Since upgrading to Yosemite (did a wipe of my HD before installing, so no settings was there from Mavericks) I can only connect my Magic Mouse normally once per boot. Normally you would be able to ...
72
votes
8answers
228k views

Is charging my iPhone all night harmful?

I normally charge my iPhone all night to get 100% power. Does this harm my phone's battery? Update [Oct 1, 2017]: Thanks for all your great answers. I noticed there is a related video which addressed ...
72
votes
9answers
44k views

High Sierra 10.13 : Keychain Access Menubar Item Missing?

Is the Keychain Access Menubar Item missing for anyone else? The in-built Help app still claims setting the Keychain Access Menubar Item is possible through Keychain Access > Preferences > General. ...
72
votes
5answers
303k views

Is there an iMessage client for Windows?

My wife's iPhone has iOS 5 and hence iMessage installed. I would like to be able to chat with her using my Windows computer. What options are available for this? Is there a Windows client or any ...
71
votes
19answers
143k views

Password dialog appears when SSH private key permissions are set to 0600

I installed my SSH private key in ~/.ssh/id_rsa and set its permissions to 0600. When I connect to an SSH server which uses my private key in Terminal.app via ssh, a dialog pops up and asks me to ...
71
votes
5answers
30k views

reattach terminal tab to another window

Suppose you have a terminal with two tabs. You click, drag, and let go one of these tabs and it becomes an independent terminal window. After a while, you want to take this terminal window and ...
71
votes
7answers
97k views

How can I unpack .7z files via MacOS terminal?

Looking to unpack a bunch of files.7z via terminal. Is there a command-line tool built in, available or I shall install an application that comes with a graphical interface?
71
votes
10answers
162k views

Can I use 45/60/85W MacBook chargers interchangeably?

I have a 13" Macbook Pro that came with a 60W power adapter and a 15" Macbook Pro that came with a 85W power adapter. Can I use either adapter with either laptop? There seems to be disagreement in the ...
71
votes
6answers
20k views

How to add characters to the press and hold character picker in OS X Lion?

In OS X Lion, there is a very useful feature for people like me who need to write in multiple languages, which pops up a small menu of additional characters when you hold down a letter. For instance, ...
71
votes
5answers
23k views

How to choose on which display Application Switcher shows?

I always have a lot of applications open at the same time. In order to quickly switch between them, I use CMD+Tab shortcut. In order to switch even faster, I sometimes use CMD+Tab and then select the ...
71
votes
12answers
91k views

How can I name desktops/spaces in El Capitan?

I would like to give names to different spaces; currently a new space get the default name Desktop n where n is a number. How can I give it a meaningful name?
71
votes
3answers
94k views

Can I install any iOS version I wish by picking and choosing which firmware to restore?

I'm trying to downgrade my iPhone from the current iOS to an older one, as per this question. But every time I try, I always receive this error: The iPhone could not be restored. This device isn't ...
71
votes
7answers
87k views

Is there any way to set a MacBook Pro to not sleep when you close the lid?

The most common use case I have for this is when I'm playing music over AirTunes, but don't want an open laptop laying around. Or when I'm syncing or downloading something. This isn't the same as ...
71
votes
6answers
32k views

Disable line wrapping for output in the Terminal

I often read outputs in the terminal that get wrapped as they are too long. Since there is no way that I can modify the printed output, I need to let the Terminal allow for horizontal scrolling. Is ...
71
votes
10answers
42k views

Can I copy by highlighting and paste by middle click on Mac OS X?

I was using Linux for the last couple of years and I find it extremely useful to copy text by highlighting it as well as to paste by clicking a middle mouse button. I'm using a Mac now and I wonder ...
70
votes
5answers
21k views

A tech from MacKeeper wishes access to my computer for licensing and activation. Is this a scam?

I paid for a version of MacKeeper which may be a mistake. Their tech wants me to allow them to access my computer as in have access to my desktop files, etc. They say it is to fully license and ...
70
votes
2answers
39k views

Notifications on dual monitors: how can I specify which monitor?

I would like to have notifications on my left monitor and not my right monitor. It's hard to see them when I'm looking at the left monitor (since they're all the way on the right side and they're ...
70
votes
4answers
155k views

Where can I find my crash logs?

I would like to ask you, where could I find my crash logs?
70
votes
9answers
94k views

Right-click, create a new text file. How?

In Finder > Select a folder > Right click, we get a popup with an option to create a new folder: Is there a way to add menu item New Textfile for adding a new text file?
70
votes
3answers
9k views

Can I disable the Lion animation when switching to/from fullscreen apps?

In Lion there is an animation when switching to and from full screen applications. Full screen apps are great, especially on a 11" screen, but this animation is getting very annoying. Is there a way ...
69
votes
11answers
81k views

Is there a keyboard shortcut to bring up Finder?

Is there a default keyboard shortcut to start a new Finder window? If not, is there a way to assign one? I tried System Preferences > Keyboard > Shortcuts > App Shortcuts and created a new item for ...
69
votes
10answers
256k views

How do I start TextEditor from the command line?

I work a lot at the command line in a Terminal and would like to start a text editor on a certain file. I'm from Linux Land and normally use kwrite or gedit from a bash shell. Trying to find the Mac ...

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