Learn how to access the hidden Library folder in your Home folder on your Mac so you can tweak app settings and access app files.

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Inside the home folder on your Mac is a Library folder that stores app-specific files and settings, personal settings, and some data. The files and settings in the Library folder should be left alone for the most part. But, you may want to tweak the settings for an app, which may require accessing the Library folder. Or, maybe an app backs up data to the Library folder and you want to copy that to an external drive.

As of Mac OS X Lion (10.7), the Library folder in your home folder is hidden by default. That doesn’t mean you can’t get to it. It’s hidden so you don’t accidentally delete settings and data, damaging apps in the process. So, if you decide you want to access the Library folder, be very careful.

In this Tip's N Tricks article, I want to point out a very important tip for getting around one of Apple's more peculiar security precautions in Mac OS X Lion and Mountain Lion. By default, the User Library folder is hidden in Mac OS 10.7 and above. We'll cover a few different methods to easily access this hidden folder. Mar 19, 2017  quick and easy tutorial on finding the library folder on your macbook or Mac. Please like the video if you found it helpful! See you next time! Access Library Folder On Mac. The Library Folder on your Mac contains Preference Files, Caches, and Application Support Data. While regular Mac users may not find the need to access the Hidden Library Folder, advanced Mac users will at times come across the need to access files inside the Library Folder for troubleshooting and other purposes. Sep 27, 2016  How to Access the Hidden /Library Folder on Your Mac. Justin Pot @jhpot September 27, 2016, 1:13pm EDT. A lot of Mac tutorials mention the Library folder, which is where your macOS applications store things like settings and caches. Some settings can only be. Jul 21, 2011  This is how to locate your library Folder on macOS & Mac OS X Code: /Library.

Today we’re going to cover different ways of accessing the hidden Library folder in your home folder and how to make it permanently available in Finder.

What is the Path to the Library Folder?

The Library in your home folder is written as ~/Library. The tilde (~) character is a shortcut for your home directory. For example, on my Mac, that would expand to /Users/lorikaufman/Library.

Access the Library Folder Using the Go to Folder Option

If you want to access the Library folder only occasionally, you can use the Go to Folder option in Finder.

Open Finder or just click on the desktop. Head to Go > Go to Folder, or hit Cmd + Shift + G.

Type:~/Library in the Go to the folder box on the dialog box and click Go or press Enter.

If you have one or more Finder windows open, the Library folder opens in the currently active window. If no Finder windows are open, a new one opens to the Library folder.

Access the Library Folder Using the Terminal

If you prefer using the command line, you can access the Library folder using the Terminal.

Go to Utilities > Terminal in the Applications folder. To access the Library folder directly in the Terminal, type:cd ~/Library at the prompt to switch to the Library folder.

You can type:ls at the prompt to get a detailed folder listing. You can work with the files in the Library folder directly on the command line. Just be careful.

You can also use the Terminal to open the Library folder in a Finder window. Type:open ~/Library at the prompt and hit Enter.

Access the Hidden Library Menu Option in Finder

The Library folder is available on the Go menu in Finder, but it doesn’t show on the menu by default.

To temporarily show the Library option on the Go menu, open the menu and press the Option key. The Library folder shows up between Home and Computer on the Go menu. Keep the Option key pressed while you move your mouse down the menu and select Library.

If you’re using a Windows keyboard with your Mac, press the Alt key.

View User Library On Mac

Show the Library Folder Permanently in Finder

If you access the Library folder often, you can permanently show the Library option on the Go menu and the Library folder in your Home folder.

Open Finder and head to your Home folder using the left pane or by pressing Cmd + Shift + H. Then, go to View > Show View Options, or hit Cmd + J.

A dialog box displays with options you can set for your Home folder. Check the Show Library Folder box at the bottom of the dialog box. The Library folder now shows up in your Home folder in Finder windows and the Library option becomes permanently available on the Go menu.

When you permanently show the Library folder in Finder, you can hit Cmd + Shift + L to open it in a Finder window, in addition to selecting the Library option on the Go menu. Mac adobe acrobat free download.

Happy Tweaking, But Be Careful

The Library folder is hidden by default for a good reason. So, before tweaking settings and changing files in the Library folder, make sure you know what you’re doing.

Though it's not easy to hack into or break through a Mac's security, it is possible, especially if someone accidentally installs malware without realizing it. If your Mac is running slow or you're seeing unusual advertisements within your web browser you might have accidentally installed malware at some point. Don't worry. It happens to the best of us (not me, of course). There are things you can do without having to burn it all down.

The problem: Mac malware in the Library folder

Serenity Caldwell writing for iMore in 2017:

My father-in-law's MacBook Pro had been running into curious slowdowns for a two-year-old laptop and he kept on seeing weird sites taking over his Safari and Firefox search bars. It was clear to me that his browser had been hijacked.

We got rid of the browser hijack pretty quickly — I suggest using Cella's excellent how-to if you ever run into a browser hijack yourself — but the slowdowns were more curious. Upon further investigation, I found a couple of self-professed 'Mac security programs' that popped up, demanding money to 'clean your Mac from junk'.

Spoiler: These programs were the junk. And worst of all, they'd seemingly added a bunch of nonsense files into this computer's Library folder, with random folder names like 'prestidigitation' and 'beeswax'.

Now, I want to preface: I'd never seen an attack like this on a Mac before in my life, and finding this kind of full-Mac hijack is very rare. It's likely that he accidentally installed one of these 'security' programs (or had it installed), which spiraled out of control from there.

These hijacks didn't appear to be able to do much beyond slow down his machine with endless failed attempts to run a program — the process didn't have admin permissions, so it couldn't execute a thing from the library. But because they were there, they were constantly crashing aspects of his Mac. I knew I had a malfunctioning laptop on my hands, so I turned to my age-old troubleshooting checklist.

How to fix a corrupted Mac

If you're working on a computer that has slowed down beyond reasonable aging or is otherwise acting beyond the pale, here are my favorite tactics you can take to try and restore it to its former glory.

Update the system software

This is almost always the first thing I do when troubleshooting Macs: Chances are, the user hasn't installed a security update or other software updates that may be slowing their computer to a crawl.

1. Click on the Apple menu icon in the upper left corner of the screen.

2. Select App Store to open the Mac App Store.

3. Click on the Updates tab at the top of the Mac App Store window.

4. Install all relevant updates. (You may need the Apple ID and password for the machine.)

If the computer is running macOS Sierra, you can avoid having to do this troubleshooting step in the future by turning on Automatic Install in System Preferences, which can automatically download newly available updates in the background, and install them overnight.

1. With the Mac App Store open, click on App Store in the upper left corner of the Menu bar.

2. Click on Preferences.

3. Under Automatically check for updates, check the following boxes:

   • Download newly available updates in the background
   • Install app updates
   • Install macOS updates
   • Install system data files and security updates

Check the disk for errors

If software updates aren't doing the trick, the next thing to check is the hard drive itself. With Apple's Internet Recovery partition, fixing a cranky drive is an easy process.

1. Restart your Mac.
2. During reboot, hold down Command-R until it starts up.
3. Once rebooted, you should be in the Internet Recovery Partition. Select Disk Utility.

4. Click Continue.

5. In Disk Utility, click on the First Aid button,

6. Click on Run to execute.

Your Mac will then run a cursory check on its hard drive to determine if there's anything wrong — and if so — if it can fix it.

Reset the NVRAM/PRAM and SMC

If neither app updates nor disk repair are helping, sometimes a good cache flush can get your Mac running just a bit more smoothly.

To reset the NVRAM (or, on older Macs, PRAM), reboot the Mac and hold down the following keyboard command during startup for at least twenty seconds: Command-Option-P-R.

After you reset your NVRAM, you may be required to reconfigure some system settings (like sound and time zones), which are stored in that cache.

An SMC reset is a bit more complicated, and Apple recommends it only after all other troubleshooting avenues have been exhausted.

If you're using a laptop:

1. Shut down your Mac and plug it in.
2. Restart the computer by pressing the Power button along with the keyboard command Shift-Control-Option.
3. Release these keys, then just press the Power button to properly start your computer.

If you're using a desktop:

1. Shut down your Mac.
2. Unplug it and wait for at least 20 seconds.
3. Plug the Mac back in and wait 5-10 seconds.
4. Restart your Mac with the Power button.

Partition your disk (or erase it)

After exhausting all other avenues, this was the solution we came across to properly fix the broken laptop. The hard drive had been so corrupted by these 'security' programs that there was nothing I could do to fix it. When Safari launched over the login screen after a reboot, I knew my usual fixes wouldn't work: It was time to bring out the big guns.

In most cases, I'd grab an external drive, back up the corrupted disk, then wipe the drive clean with the Internet Recovery partition and start over. But there were a couple of reasons that wouldn't work here:

• We were on vacation, and lacking any sort of external media.
• With a semi-corrupted disk, we couldn't just clone the user folder and restore the new disk from a backup — we'd have to do a clean install, which meant moving files over one by one. If we'd missed something and moved all the old files to an external drive, my father-in-law would have had to carry it everywhere just in case.

Given that this laptop had a 500GB hard drive — only 40GB of which was being used — I had an alternate idea: I'd partition the drive, again using Internet Recovery, and install macOS Sierra on the new partition. Essentially, it would be a 'clean' new computer for my father-in-law to work on, but all the original data would still exist on the old partition in case he needed to grab a file.

Note: In order to partition your drive, you'll need enough free space on your drive to do so — at least 30GB. If you're light on space, you may want to back up your corrupted disk to a USB drive, instead.

How to create a partition on your Mac

1. Open Finder from your dock.

2. Select Applications.

   I can't get what is wrong.Any ideas? Mac 10.11.6 fontbook create library. I'm trying to convert my python command line application to an app with py2app.Everytime I try to import zlib or try to install setuptools, I get an error: no module named zlib.Python was installed with brew.I searched every corner of the internet and stack overflow, I have reinstalled python with brew, I have installed all Xcode CLI related stuff with: xcode-select -installI also ran: ls /usr/include/zlib.hand I can see that zlib is there where it is supposed to be.Reinstalled with: brew reinstall pythonUnfortunately that didn't work for me. If you install zlib with brew, it's not enough because it's not linked and brew will not link it because there's a platform provided library already that would cause all sorts of issues so you need to tell the compiler where zlib is using export LDFLAGS='-L/usr/local/opt/zlib/lib' and export CPPFLAGS='-I/usr/local/opt/zlib/include' and also export PKGCONFIGPATH='/usr/local/opt/zlib/lib/pkgconfig' before you install python with brew or better, with pyenv using something like pyenv install 3.7.2.–Mar 28 '19 at 10:06.

3. Scroll down and open the Utilities folder.

4. Double-click to open Disk Utility.

5. Select your hard drive in the Disk Utility window. It will be the first drive on the list. It might be named 'Fusion,' or 'Macintosh HD.'
6. Click on the Partition tab.

7. Click the plus (+) button.

8. Change the size of the partition you wish to use by dragging the resize controls. The used space is represented in blue.
9. Name the new partition.

10. Click apply.

Disk Utility will check the disk and make changes. This will take several minutes.Disk Utility will then make the changes. After that's completed, quit Disk Utility to return to the main Internet Recovery menu.

1. Click on Reinstall macOS.

2. Click Continue.

3. Click Agree to agree to Apple's licensing agreements.
4. Choose the New Mac hard drive as the disk you'd like to install macOS onto.

5. Press Install.

6. The Mac will download a fresh copy of your operating system from the App Store and will install it. The speed of this process entirely depends on your Mac's connection speed to the Internet. You can wait an hour or longer on a slower connection.
7. Your Mac will restart automatically into the new partition once the software has downloaded, then the installation of the operating system will continue.

After you finish setting up the new hard drive, it's time to move your files over. Because of the way partitioning works, your old hard drive partition will show up next to your currently-active partition, just like an external drive; you can then grab any files you need from it.

1. Launch a Finder window.
2. Under Devices in the sidebar, locate your original Macintosh HD.

3. Copy any files you'd like to keep from your old hard drive to the new machine.

Note: If you want to copy over applications, I'd strongly suggest redownloading them from the source — the Mac App Store or the company's website — rather than trying to copy them over from the old partition.

From here, you can follow instructions for setting a Mac up from scratch when it comes to installing and customizing anything else.

I generally recommend keeping the old drive partition around for at least a few months in case you or your family member forgets to move something over; after that period, however, you can easily delete the old partition and move to the new partition full time.

Consider additional anti-malware protection

While malware on the Mac is rare, it does crop up, as we've demonstrated. Having the right tools to get rid of malware can be an important part of keeping your Mac safe and secure. There are a number of tools that you can choose from, including popular programs like BitDefender and Kaspersky, that will help you keep malware from infecting your Mac.

Questions?

Do you have any must-follow troubleshooting steps? Let us know in the comments.

How Do I Get To Library On Mac

Updated July 2019: Added a sub-section regarding anti-malware protection.

Serenity Caldwell contributed to an earlier version of this guide.

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