Lion is the marketing name for OS X v10.7, the seventh major upgrade to OS X. As of this release, Mac was dropped from the marketing name of "Mac OS X".

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How to make clicking on icon in dock == open new instance

I have several applications in my dock that can have multiple instances open (eg. Chrome, iTerm, Sublime, etc.) When I click on one of the icons, I want a new window to open (this is what happens if ...
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3answers
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ethtool Equivalent for OS X Lion

Other than ifconfig, is there an app/script for OS X Lion that produces similar output/info to ethtool? Specifically, I would like to be able to query the following: driver info online/offline ...
13
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2answers
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Dual monitors and OS X Lion : get menubar and app switcher on both displays

I've just plugged in another monitor into my 13 inch MBP running OS X Lion. It works fine, except for three little annoyances: Whenever I use the application switcher (or whatever it's called, I ...
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4answers
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MTMFS consuming an entire CPU core and fans running full bore with Lion

You may be aware that Lion introduced MTMFS, the Mobile Time Machine File System. I've had a couple of instances now where MTMFS has been chewing up an entire core of my dual-core (mid 2009) MacBook ...
13
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2answers
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keyboard no longer repeats keys when held down

I just wanted to make some input where I press a key and the auto-repeat function engages so I don't have to press the 0 key many times to make a long number. 10000000000000000000000000000 This has ...
13
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3answers
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Is it safe to delete the /Developer folder on Mac OS X 10.7.5 (Lion)?

My computer originally had Mac OS X 10.6 (Snow Leopard) installed on it but has since been upgraded to OS X 10.7 (Lion). I noticed that the /Developer folder is still on the hard drive even though ...
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5answers
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Is there a way to get Terminal on Lion to start up cleanly (without the buffered history)?

How can I prevent Terminal from showing me my old output when it starts? I would like it to always start with a clean window.
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2answers
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What are the implications in speed and battery life while using Filevault 2?

One of the neat new (though understated) features of Lion is Whole Disk Encryption. Before I flick the switch, I'd love to know what the performance impacts (speed and battery impacts) of switching ...
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4answers
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Can i change the default Mac App Store install folder?

I prefer to have all applications installed per-user, to ~/Applications/ rather than globally. The default location for apps installed from the Mac App Store is the global applications folder located ...
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4answers
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Creating an automated HFS+ compressed folder

I would like to set up an automated way for archiving files in OS X Lion. By archiving I mean using HFS+ compression feature on a specific folder, and make every file that I move into this folder ...
13
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1answer
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How to access a clicked URL in a URL handler application created in Automator

I'm currently trying to modify the default URL handling behavior in OS X. I would like, when clicking on any link outside of a web browser, to copy this URL to the pasteboard instead of opening it in ...
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2answers
8k views

How can I check for available entropy?

On linux systems, one can check for available entropy (useful to know if you're tapping /dev/random for any PRNG purposes) with cat /proc/sys/kernel/random/entropy_avail However, there is no ...
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2answers
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Lion version of vim crashing repeatably - caught deadly signal SEGV

whenever I work on multiple files in different vim buffers/tabs and do a :w to save, vim crashes with a segmentation fault. I'm using vim 7.3 that came long with Lion (Actually with SnowLeopard ...
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4answers
3k views

Single desktop image for all desktops

I upgraded from Snow Leopard to Lion. Afterward when I would set a Desktop picture (either through System Preferences or iPhoto) it was applied to all desktops. Yesterday I control clicked the ...
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6answers
17k views

Unsaved Files in OS X Lion

Where do unsaved files go in Lion? I quit TextEdit without saving since I had no intention of saving, but with autosave the file still got save somewhere since when I reopen TextEdit the file I was ...
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10answers
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Is screen zoom broken in Lion?

For years I've zoomed the whole Mac OS X screen with Control ⌃ + two finger scroll on the trackpad. It was very useful when giving demos and when wanting to zoom in on a YouTube video. Since I ...
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3answers
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How do I disable Spotlight?

How can I disable Spotlight completely on Mac OS X Lion? It's using up a lot of resources and I never really use it, so I want to disable it. The only feature I might want to keep is the icon in the ...
12
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3answers
2k views

Why do full-screen applications change their order in Mission Control?

How are fullscreen apps organised? This is usually my workflow: Dashboard / Desktop / Safari / Pages I sometimes go to Pages and type some things and go back to Safari, and then I find that it ...
12
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6answers
16k views

How can I remove unwanted apps, such as Chess or Address Book, from my Mac? [closed]

There are a lot of applications that I have no use for that take up space on my Mac that I want to delete. When ever I try to delete them it says that it is an essential part of the OS but with ...
12
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1answer
28k views

Is it safe to delete the contents of Library/Application Support/MobileSync/Backup if using iCloud?

My /Users/{username}/Library/Application Support/MobileSync/Backup is 5GB and I'd really like to reclaim that space if I can. I back up my iPhone, iPad, and iPod Touch to iCloud, so is there any ...
12
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3answers
13k views

How do I know if I have the Lion recovery partition set up?

I am looking to swap my HDD for SSD and OWC recommended methods 2 listed in this link Perform your drive upgrade. Place your original drive in an external enclosure. Boot to the recovery partition ...
12
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2answers
11k views

Is it possible to use a gesture to go back in Finder in Lion?

I miss the ability to go back to previous directory via a gesture (swipe with two finger right like in Safari or Chrome) in Finder. Is it possible to enable it? Edit: I'm on a MacBook Pro, and using ...
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3answers
20k views

In Lion, how can I configure to not automatically re-open recent files that weren't closed?

For example: I opened some files in Excel, then I close Excel, without close each file (ex.: command + Q). In the next time that I will open Excel, it is going to open my recent files that weren't ...
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4answers
67k views

How do I temporarily disable or mute Messages (iMessage) on OS X?

I use Apple's iMessage across several devices, including my (OS X Lion) Mac, using the recent Messages beta. However, the application has some undesired behaviour. When I quit Messages, it will ...
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4answers
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How can I improve/replace View Source in Safari?

As a new convert to Safari, I am astonished by how unbearably ugly default page source view is. The font is miserably small and unaliased, leave alone color highlighting. Is there a way to enhance ...
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4answers
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MacBook Air with small SSD, BootCamp, Windows 7. Can I use an external hard disk for dual boot?

I'd like to setup a dual boot onto my MacBookAir 128GB, with Microsoft Windows 7 Ultimate in BootCamp. However, I'm already close to the 128GB limit (games + CS suite + Eclipse + XCode + a lot of Web ...
12
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2answers
4k views

Does “Secure Empty Trash” securely delete the hidden version files for documents in the Trash in OS X Lion?

The new Versions feature in Lion creates hidden files that store old versions of the document you're working on in case you want to revert back to some older version of the document. If I drag a ...
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3answers
27k views

Reinstall Mac OS X Mountain Lion before selling a Mac

I want to sell my laptop (Macbook Pro late 2011). I have erased my disk drive but it seems that I cannot reinstall Mac OS without an Apple ID. At the origin my mac was shipped with Lion, I have ...
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2answers
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Will FileVault 2 wear out my SSD faster?

I'm considering using FileVault 2 when I upgrade to Lion. Though my understanding of it is weak, it seems as though it shouldn't really increase the number of reads or writes per disk operation ...
12
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1answer
373 views

Is there a keyboard shortcut for Don't Save?

One thing I do a lot is Command ⌘-Tab over to TextEdit, jot down some notes, and then decide to throw them away. I can close the window with ⌘-W, but is there a way to not-save it from just the ...
12
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1answer
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In Lion, if I keep pressing a key, why doesn't it repeat?

I don't know if there are any settings to toggle, but I figured out that if I keep pressing a button on my keyboard it doesn't repeat it and displays only one character! Can this be fixed to go back ...
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3answers
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Mac App Store - how to check which account was used to buy app

I'm trying to update Growl, however App store says "To update this application, log in with account which was used to buy this application". The thing is that i don't have any other Apple ID. Is it ...
12
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5answers
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Enable URL rewriting (mod_rewrite) using .htaccess files in ~/Sites on Lion

I cannot get mod_rewrite to work on Lion. I am developing a number of websites locally, in ~/Sites, using .htaccess files. I am on 10.7.3 and I have not touched any configuration files except for ...
12
votes
2answers
8k views

Disable system wide Ctrl+Click in OS X

I'm used to navigating through my code using Ctrl+Click. In OS X this function still works in my IDE, but it opens a context menu as well, which is very annoying! I've done lots of Googling and ...
12
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4answers
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Why are my plists in ~/Library/Preferences accompanied by a matching lockfile in Lion?

$ cd ~/Library/Preferences $ ls -1 | grep plist | head -10 AddressBookMe.plist com.adiumX.adiumX.plist com.adiumX.adiumX.plist.lockfile com.apple.AddressBook.plist com.apple.AddressBook.plist.lockfile ...
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votes
5answers
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Mac OS X Lion Finder Window Size

I know that when I close a finder window the next time it opens, it will open at the same size. This works with me for a while, but sometimes all the finder windows just go back to the default size ...
12
votes
2answers
2k views

Configure Preview to auto reload pdf and stay at the same location

System: OS X 10.10 Preview version: 8.0 When a pdf file opened by Preview is updated by another program (such as pdflatex), Preview will automatically reload it, which is good. However, Preview ...
12
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1answer
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Is it possible to add other networked sources to the Apple Dictionary program?

The standard Apple Dictionary program in Lion provides access to Wikipedia. This appears to be a direct look-up (i.e., not to a cached local copy of Wikipedia). I'd like to add other sources that ...
12
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2answers
22k views

How to enable USB tethering on your Android phone to Mac OS X Lion

I want to tether an unlimited data plan on a Nexus S (with Android 2.3.6) via USB cable to a MacBook Air (with OS X Lion). Both on Windows and Ubuntu, it works like a charm, so I'm wondering if ...
12
votes
9answers
16k views

Window out of visible workspace range / unreachable

I'm running OS X Lion on a MacBook Air 11", and when I unplug my secondary display, some windows (e.g., Finder) are overflowing at the edge of the screen. This usually happens on the right-hand side ...
12
votes
3answers
8k views

Is there a keyboard shortcut to jump directly to a particular full screen app in Lion?

When you full screen an application in Lion, it "flies out" of the desktop space it started in, and winds up at the end of the spaces list (assuming you have turned off auto-arranging). As a result ...
12
votes
4answers
9k views

Hide ONLY .app file extensions but show the rest

Is there a way to hide ONLY .app file extension? I know that you can enable or disable the visibility of file extensions in Finder but I'm interested in avoiding .app file extensions from showing up. ...
12
votes
1answer
5k views

Confused: Will Find My Mac work if the thief just did the hold ctrl and power button restore?

Recently had my macbook pro stolen. It's a mid 2012 model with mountain lion so it can reset the OS by just by holding ctrl and the power button. I've done it many times myself so I know all they have ...
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6answers
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Why doesn't AirDrop work on older network adapters?

Apple has stated that AirDrop will support only the following models: AirDrop supports the following Mac models: MacBook Pro (Late 2008 or newer) MacBook Air (Late 2010 or newer) ...
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3answers
30k views

What is Mac OS X Lion's Finder Font?

What is the default font that Mac OS X Lion use in it's apps, more importantly the Finder window?
11
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2answers
39k views

Where can I download Filemerge - the app for comparing two tools and merging them?

I would like to install Filemerge, but can't find where to go to download it. Where can I download it?
11
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3answers
10k views

How do I make Terminal.app's scrollbars disappear in Lion?

Once I upgraded to Lion, I found out that the vertical scrollbar is always plastered to the right side of the application window. Because I run GNU Screen within Terminal.app, the right side of the ...
11
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3answers
8k views

Keyboard shortcut for “Show Package Contents”

I know you can use ⌘+O to open a folder, however when you do that on an application it opens the application. Is it possible to either make ⌘+O always show the contents or is there ...
11
votes
8answers
18k views

How to remove or disable a default keyboard layout?

Is it possible to remove or disable one of OS X Lion’s default keyboard layouts? I’m using a custom keyboard layout, and now that I managed to set it as the system-wide default keyboard layout, I’d ...
11
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8answers
167k views

Wifi Won't Connect; Connection Timeout (Mac)

I'm having issues with my macbook pro OS X 10.7.5. It used to connect to the wifi router (D-Link N300, DIR=615) no problems. But for the past several weeks, I haven't been able to at all. What pops ...