Welcome back to Coding Corner! Today, we're going to go over some great interface and user tweaks you can execute to customize your Mac. These tricks are often simple and can help you spruce up your Mac far beyond what the System Preferences window allows.
So, without further ado, 15 great tricks you can execute in Terminal.
If the permissions on your MacOS Sierra system seem broken, the OS comes with a utility you can use to repair the permissions. Here’s how it’s done. For those of you familiar with the “Repair Disk Permissions” option that used to be located under “Utilities” “Disk Utility”.
Tweak the Finder![]()
Want to see hidden files, or copy Quick Look text? There are quite a few 'defaults' commands that let you alter how the Finder looks or acts.
1. Show hidden files and folders
Want to see all the hidden files and folders OS X has to offer — or you simply can't find a file you hid? Just use this command in Terminal:
defaults write com.apple.finder AppleShowAllFiles -bool TRUE killall Finder
To re-hide all your files, just change the
TRUE to FALSE .
![]() 2. View any file's contents
If you've had a file get corrupted or you suspect there's something hidden inside its package, you can force Terminal to open it. Just use the following command:
cat ~/enter/file/path
Fair warning: If you try to open a photo or pretty much any non-text document, you'll likely just see text gibberish.
3. Copy the contents of a folder from one place to another
Sure, you can Option-drag any file to a new location to make a copy of it, but if you want to simplify the process and automatically copy the entire contents of one folder to another, check out this simple Terminal trick.
ditto -V ~/original/folder/ ~/new/folder/
4. Download files outside of your browser
Have the URL to a file but don't want to use Safari, Firefox, or Chrome to download it? You can go through Terminal with the following commands:
cd ~/Downloads/ curl -O http://www.thefilename.com/thefile/url.mp3
The first command moves your current Terminal location to your Downloads folder; the second downloads it from the web to that folder.
Modifying screenshots
Want to change how your screenshots look? Here are some commands to help you do just that.
5. Change your screenshot's file format
This Terminal command lets you change the file format of your screenshots. By default, they're saved as PNGs, but you can also save them as PDFs, JPGs, and more.
defaults write com.apple.screencapture type jpg
6. Disable drop shadows on a screenshot
Here's another good one if you tend to take a lot of screenshots: This command will disable drop-shadow on your screenshots, only displaying the window you've snapped.
$ defaults write com.apple.screencapture disable-shadow -bool TRUE killall SystemUIServer
7. Create a new default name scheme for screenshots
Don't like the phrase Apple uses to save your screenshots? Traditionally, it's 'Screen Shot - [date] - [time]', but you can change 'Screen Shot' to any word you please.
defaults write com.apple.screencapture name 'New Screen Shot Name' killall SystemUIServer`
Get bored of your new name scheme? Go back to the default by typing as follows:
defaults write com.apple.screencapture name ' killall SystemUIServer
8. Change the location of your screenshots
Your screenshots, by default, save to the Desktop. But if you'd prefer they save elsewhere, it's an easy Terminal trick to make it so.
Java 6 for mac sierra mac. For Java versions 6 and below, Apple supplies their own version of Java. For Mac OS X 10.6 and below, use the Software Update feature (available on the Apple menu) to check that you have the most up-to-date version of Java 6 for your Mac. For issues related to Apple Java 6 on Mac, contact Apple Support. Oracle and Java.com only support Java 7. Apr 05, 2018 I updated my mac laptop to mac OS High Sierra. In order to run my Photoshop CS3 program i have been asked to download 'legacy Java SE 6 runtime' How do I do that? MacBook Pro (Retina, 15-inch, Mid 2014), macOS High Sierra. MacOS Sierra was released by Apple in September 2016. Java is compatible with this version, however, few Java issues have been reported on Sierra. We are actively working on identifying and resolving those issues. A few of the issues that we are currently addressing are listed below. JVM throws NullPointerExceptions on macOS Sierra 10.12. This problem occurs because these apps (Adobe CS5, CS5, etc.) are relying on Java 6. Mac OS X Yosemite (and the newer versions) are having a later version of Java Runtime (SE 8.0). However, Java Runtime is not backward compatible. So, even when the operating system have installed Java Runtime 8, it will NOT run apps that rely on Java Runtime 6. Oct 26, 2017 Java for macOS 2017-001 installs the legacy Java 6 runtime for macOS 10.13 High Sierra, macOS 10.12 Sierra, macOS 10.11 El Capitan, macOS 10.10 Yosemite, macOS 10.9 Mavericks, macOS 10.8 Mountain Lion, and macOS 10.7 Lion.
defaults write com.apple.screencapture location ~/your/location/here killall SystemUIServer
You can also drag the folder of your choice on top of the Terminal window after typing 'location' if you don't want to manually type out the file path.
System changes
If you're looking for broader OS X-level changes, these commands might help you get started.
9. Create a custom login message
Whether you want to troll your friends or add useful 'in case of loss' contact information, you can add a personalized message to your login screen with this Terminal command.
sudo defaults write /Library/Preferences/com.apple.loginwindow LoginwindowText 'In case of loss, call 555-555-5555.'
10. How long has my Mac been running?
Is your Mac acting sluggishly? It might be in need of a good restart. You can check to see just how long your Mac's been active by checking its uptime with this Terminal command: Download utorrent for mac high sierra.
uptime
11. Keep your Mac awake
If you need to prevent your Mac from going to sleep — say, you're running an extensive task, or recording your screen — there's an all-too-amusing command for that:
caffeinate
Once you enter this command, your Mac's digital eyes will be pried open and prevented from going to sleep until you end it by pressing Control-C.
If you don't want to rely on being the one to end your poor Mac's suffering, you can also create a set a number of seconds before your Mac sleeps:
caffeinate -u -t 5400
The above command will keep your Mac awake for an hour and a half.
12. Make your Mac automatically restart after a crash
We've all had our Mac freeze up or crash at least once in its lifetime. If you want to skip the crying and the yelling at the screen and get back to work, you can enter this Terminal command, which will make OS X reboot as soon as it senses a full system freeze.
sudo systemsetup -setrestartfreeze on
Modify your Dock
Want to make your Dock look different? Check out these Terminal tweaks.
The readme says:This package is a contribution of wx.NET user Matthias Fuchs, who wrote:Hi,as i didn't find a binary package for Mac OS X I created my own;-)I've built wx.NET for Mac OS 10.5.7. Visual studio community 2013 for mac os x. I used wxWidgets 2.8.10 and created a Mac OS X Framework Bundle.The zip file includes a 'wxWidgets.framework' folder, which must be installed into /Library/Frameworks/ on the root partition of MacOS X. .The is called Carbon.
13. Add spacers to your Dock
You can organize your Dock's many icons by adding in blank spaces with this handy terminal command:
defaults write com.apple.dock persistent-apps -array-add '{'tile-type'='spacer-tile';}' killall Dock
Repeat this command for each spacer you'd like for your Dock. To remove a spacer, you can drag it out to the right until you see the poof icon.
14. Dull hidden apps in the Dock
Not sure which apps are visible on your screen? You can make this information extra pertinent by using this Terminal command, which lowers the opacity on icons for hidden apps in the Dock. It's a great way to see what you haven't used lately, as well as what's cluttering up your screen.
defaults write com.apple.Dock showhidden -bool TRUE killall Dock
15. Hide non-active apps in your Dock
If lowering the opacity of hidden apps appeals to you, you might like this Terminal command even better: It hides any closed app from your Dock at all times.
defaults write com.apple.dock static-only -bool TRUE killall Dock
Mac Sierra Check Permissions For Working Path 2017Your favorites?
Have a Terminal command you love that we didn't mention? Drop it below in the comments.
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