You can show hidden files on Mac with a simple keyboard shortcut. You do not need Terminal, an administrator password, or advanced technical knowledge for the most common method.

macOS hides some files because they contain settings, app information, or system resources that people do not normally need to open. These items remain on the Mac, but Finder does not display them during regular use.

You may need to see them when following troubleshooting instructions, opening the hidden Library folder, managing website files, checking app settings, or finding data left behind by an uninstalled application. Once the files are visible, you should avoid deleting anything unless you understand its purpose.

Show Hidden Files Without Terminal

Finder has a built-in shortcut that reveals hidden files and folders instantly. It is the fastest method when you only need temporary access.

To show hidden files in the current Finder folder:

Finder > Open Any Folder > Command + Shift + Period (.)

The period is the regular full-stop key on the keyboard. You must press Command, Shift, and Period at the same time.

The folder will update immediately. Hidden items normally appear lighter or more transparent than regular files. This visual difference helps you recognize files that macOS does not usually display.

The shortcut works in most Finder locations, including the user’s Home folder and some folders on external drives. It can also work inside the Open and Save windows presented by Mac applications.

If you do not see any changes, try the shortcut inside your Home folder. The available hidden items depend on the apps and services used on the Mac.

To open your Home folder:

Finder > Go > Home

After the Home folder opens, use the hidden-file shortcut again. You may see items with names that begin with a period, including configuration folders created by applications.

Files beginning with a period are commonly called dot files. macOS and Unix-based applications use them to store settings and other information without filling normal folders with technical data.

The Finder shortcut acts as a visibility switch. Using it a second time conceals the files again.

To hide the files after you finish:

Finder > Open Any Folder > Command + Shift + Period (.)

Hiding the files does not delete them. Finder simply returns to its normal view.

Open the Hidden Library Folder

The user Library is one of the most frequently accessed hidden folders on a Mac. It stores app preferences, browser information, caches, containers, saved states, Mail resources, and other data connected to the signed-in account.

You can open the Library directly without making every hidden file visible.

To open your personal Library folder:

Finder > Go > Press and Hold Option > Library

The Library option appears in the Go menu while you hold the Option key. Select Library before releasing the key.

This method opens the Library belonging to the current user. Its path is ~/Library, where the tilde represents the user’s Home folder.

The user Library is different from the Library folder located at the top level of the startup disk. The top-level folder contains resources that can be shared by different accounts, while ~/Library primarily contains information for the current account.

Deleting content from the Library can reset an app or remove locally stored information. If troubleshooting instructions tell you to remove a file, confirm its name and location before making any changes.

Open a Specific Hidden Folder

Finder includes a Go to Folder feature for opening locations that are difficult to find manually. It is useful when you know the folder’s exact path and do not want to reveal every hidden item.

To open the Go to Folder field:

Finder > Go > Go to Folder

You can also reach the same field with a keyboard shortcut.

To open Go to Folder from the keyboard:

Finder > Shift + Command + G

A small field will appear. Type or paste the path of the location you want to open, then press Return.

To open your personal Library:

Go to Folder > Enter ~/Library > Press Return

To open the hidden SSH folder in your Home folder:

Go to Folder > Enter ~/.ssh > Press Return

The .ssh folder stores information used by Secure Shell tools. It may not exist if SSH software has never created it on the Mac. Finder displaying an error for this path does not necessarily indicate a problem.

To open the Library shared by all users:

Go to Folder > Enter /Library > Press Return

Pay attention to the beginning of each path. ~/Library opens the Library inside the current user’s Home folder. /Library opens the shared Library at the top level of the startup disk.

You can also paste a longer path supplied by an app developer or support technician. Check the spelling carefully because similarly named folders may contain completely different data.

Show Hidden Files With Terminal

Terminal can change Finder’s hidden-file preference so concealed items remain visible until you change the setting again. This option is helpful during longer troubleshooting or development sessions.

Terminal is included with macOS and can be opened from the Utilities folder.

To open Terminal:

Finder > Applications > Utilities > Terminal

A Terminal window will appear with a text prompt. Enter the command exactly as presented and press Return.

To keep hidden files visible in Finder:

defaults write com.apple.finder AppleShowAllFiles -bool true && killall Finder

Finder will close briefly and reopen. This restart allows the new visibility preference to take effect.

The command does not change the files themselves. It tells Finder to display items that macOS normally conceals.

You can reverse the change at any time.

To hide the files in Finder again:

defaults write com.apple.finder AppleShowAllFiles -bool false && killall Finder

Finder will restart once more and return to its regular view.

If Finder does not behave as expected after changing the preference, you can remove the custom value. macOS will then use its default behavior.

To remove the custom hidden-file preference:

defaults delete com.apple.finder AppleShowAllFiles && killall Finder

Terminal may say that the preference does not exist if no custom value is stored. That message simply means there is no setting to remove.

See Hidden Files Only in Terminal

Terminal can list hidden files without making them appear in Finder. This can be helpful when checking whether a file exists while leaving Finder unchanged.

The ls command displays the contents of a folder. Adding -a includes hidden items, while -l displays details such as permissions, ownership, file size, and modification date.

To list visible and hidden items in your Home folder:

ls -la ~

The results appear inside Terminal. Names beginning with a period are hidden during normal Finder use.

To list the contents of the folder currently open in Terminal:

ls -la

These commands only display information. They do not delete or modify the files shown in the results.

Work Safely With Hidden Mac Files

A hidden file is not automatically unnecessary, suspicious, or safe to delete. macOS and installed applications conceal many items to protect settings and reduce clutter.

The .DS_Store file, for example, can store Finder display information for a folder. External drives may include folders such as .Trashes and .Spotlight-V100, which macOS uses for Trash and Spotlight features.

Removing the wrong item can reset an application, delete local information, interrupt syncing, or cause macOS to rebuild a database. Copy an item to a safe location before changing it when troubleshooting instructions require manual file work.

Some system folders remain protected even when Finder displays them. Showing hidden files does not bypass administrator permissions or System Integrity Protection. There is no need to disable Mac security features simply to view a hidden folder.

Applications can also contain internal resources. These files are stored inside an app bundle and are different from standard hidden files.

To view the internal contents of an application:

Finder > Applications > Control-click the App > Show Package Contents

Changing files inside an app bundle can prevent the application from opening. If you need one of its resources, copy that file elsewhere instead of editing the original.

When you finish working, return Finder to its regular view to reduce the chance of accidentally moving or deleting a configuration file.

To hide all revealed files with the Finder shortcut:

Finder > Open Any Folder > Command + Shift + Period (.)

 

The post How to Show Hidden Files on Mac With or Without Terminal appeared first on AppleMagazine.

Reset PRAM on Mac is one of those troubleshooting steps that has survived decades of Apple hardware, old support forums and emergency calls to the family member who “knows computers.” The name sounds far more technical than the procedure, which involves restarting an Intel-based Mac while holding four keys.

The reset can help when a Mac remembers the wrong basic settings. It may select an unexpected startup disk, return to an incorrect display resolution, use an unusual sound level or keep other hardware-related preferences that refuse to behave normally.

It is not a speed boost, a deep system repair or a magical cure for every Mac problem. Resetting PRAM will not clear storage, repair a damaged app or make an aging MacBook suddenly feel new. It is a focused fix for a small collection of settings stored outside the usual macOS preferences.

There is also one major limitation: the familiar keyboard shortcut applies only to Intel-based Macs. Apple silicon models handle this memory differently and do not require the same manual reset.

What PRAM Actually Is

PRAM stands for Parameter Random-Access Memory. It was the small amount of memory older Macs used to preserve certain settings while the computer was turned off.

Apple later moved to NVRAM, or nonvolatile random-access memory, but the two names remain closely connected in Mac troubleshooting. Users still search for PRAM reset, while Apple’s current documentation usually calls the procedure an NVRAM or PRAM reset.

The stored information can include the selected startup disk, speaker volume, screen resolution and other low-level settings. When that information becomes incorrect or behaves unpredictably, resetting it allows the Mac to rebuild the relevant preferences.

Nothing dramatic happens to personal data. Documents, photos, apps, emails and user accounts remain untouched. Some settings may return to their defaults, which is the point of the reset.

Reset PRAM on Mac Only When the Symptoms Fit

Reset PRAM on Mac when the problem appears connected to startup or hardware preferences rather than normal app use.

A Mac that repeatedly chooses the wrong startup disk is a good candidate. So is an Intel Mac that starts with an unexpected sound level or returns to a strange display resolution after every restart.

The procedure may also help when the date, time zone or other basic startup settings act strangely, although modern macOS versions usually manage those automatically.

It is less useful when Safari is slow, an app keeps crashing or the Mac is nearly out of storage. Those problems have different causes. Closing apps, installing updates or freeing storage will usually do more than resetting a small bank of startup memory.

The distinction keeps the old troubleshooting step useful without turning it into Mac folklore prescribed for every symptom.

Check Which Mac You Own

Before using the shortcut, confirm whether the Mac has an Intel processor or Apple silicon.

To check:

Apple menu > About This Mac

Look for a line labeled Chip or Processor. An M-series chip identifies Apple silicon. A processor name containing Intel means the traditional reset applies.

This check prevents a common misunderstanding. Holding Option, Command, P and R during startup on an Apple silicon Mac does not perform the old PRAM reset. The shortcut belongs to Intel startup behavior. Apple’s current startup-key guide lists it specifically among key combinations for Intel-based Macs.

Apple silicon Macs check and manage stored startup information through their newer boot system. A normal shutdown and restart is usually the first step when one develops unusual basic behavior.

How to Reset PRAM on an Intel Mac

The useful guidance is brief:

Shut down the Mac completely.

Press the power button, then immediately hold:

Option + Command + P + R

Keep the four keys pressed for approximately 20 seconds, then release them and allow the Mac to start normally.

Older Macs may play the startup sound more than once. On some newer Intel models, the Apple logo may appear and disappear during the process.

The timing is the only slightly awkward part. The keys need to be pressed immediately after the Mac begins starting. Waiting until the login window appears is too late.

After the Mac starts, check the setting that caused the problem. The startup disk, volume or display configuration may need to be selected again because the reset cleared the previous preference.

What Changes After the Reset

Most users will notice nothing beyond the original problem hopefully disappearing. The Mac does not present a dramatic confirmation screen or announce that PRAM has been purified.

Instead, a few stored settings may return to their defaults. The speaker volume may change. The preferred startup disk may need to be chosen again. A display may return to its standard resolution. Time-zone information may need a moment to update.

That understated behavior is normal. A successful reset is less like reinstalling macOS and more like asking the Mac to forget a handful of stubborn instructions.

Apple also uses an NVRAM reset as one of the preparation steps for certain Intel Macs before they are sold or transferred, since the procedure clears stored user settings from memory.

Why Apple Silicon Macs Do Not Need the Shortcut

Apple silicon changed the Mac startup process along with performance, power efficiency and system security. The older Intel keyboard combination no longer controls the same reset behavior.

For an M-series Mac showing unusual startup settings, begin with a full shutdown rather than repeatedly trying the old shortcut.

Use:

Apple menu > Shut Down

Wait briefly after the screen turns completely black, then turn the Mac back on.

If the problem involves selecting a startup disk or reaching recovery tools, hold the power button while the Mac starts until startup options appear. Apple documents this power-button process as the route into startup options on Apple silicon models. (⁠Apple Support)

That is usually enough guidance for a light troubleshooting article. Recovery, diagnostics and deeper repair steps belong to more serious startup problems, not every incorrect volume level or display setting.

When the Reset Does Nothing

A PRAM reset can fail to change anything because the problem was never stored in PRAM or NVRAM.

A slow Mac may be running too many apps. A browser may have dozens of heavy tabs. A startup disk may be almost full. A damaged cable may cause display problems. A weak battery may cause shutdowns. A broken speaker will not repair itself because four keys were held during startup.

If the symptom continues, return to the problem itself rather than repeating the reset indefinitely.

Check the related setting in System Settings. Install macOS updates. Restart the affected app. Disconnect unnecessary accessories. Confirm that enough storage is available. Persistent hardware behavior may require Apple Diagnostics or professional support.

The reset should be treated as one useful step, not an annual Mac ritual.

An Old Mac Fix With a Narrow Purpose

Reset PRAM on Mac remains relevant because Intel models are still in use across homes, schools and businesses. Many continue to work well, and their owners may eventually encounter the sort of odd startup preference that this procedure was designed to clear.

The method is simple, safe for personal files and quick enough to try when the symptoms fit. Its usefulness comes from being specific.

An Intel Mac remembering the wrong startup disk or display setting may benefit. A Mac with an unrelated software or hardware problem will need another answer.

The four-key shortcut has survived because it occasionally solves a strange problem in about 20 seconds. That is a good troubleshooting tool. It just should not be asked to perform miracles.

The post Reset PRAM on Mac to Fix Strange Settings appeared first on AppleMagazine.