What are startup items?
Startup items, or login items, are services and applications that launch every time you start your Mac. These are applications that sneak into startup items without notice, never asking if you need or want them there. This way you may end up with a dozen apps launching as soon as you turn on your Mac, weighing heavily on its processor and memory capacities and slowing it down. Such items can increase your Mac's startup time and decrease its performance.
Plus, sometimes when you remove an application or a service, it leaves a login item with a broken link. These broken login items are completely useless, cause unwanted messages, and waste your Mac's resources (because they look for non-existent applications). Whether you're running macOS Catalina or El Capitan, or earlier — it's all the same, so just read on.
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So, let's go over how to take control of login items, and how to get rid of unwanted, broken or hidden startup items.
How to disable startup programs?
Do you want to stop programs from running at startup? There's an easy way to remove programs from startup and get your Mac to load faster on launch. The fastest way to turn off startup items on Mac is an app like CleanMyMac X.
- Download CleanMyMac for free.
- Launch the app.
- Open Optimization tab.
- Click on Login items.
- From the list of apps, disable the ones you don't need on startup.
- Done!
How to change startup programs manually?
Disabling Mac startup programs is possible manually. Therefore, if you have some time and would like to do it yourself, follow the steps below.
Your login items are listed in settings. One of the easiest ways to control startup items is inside System Preferences > Users & Groups.
- Open System Preferences.
- Go to Users & Groups.
- Choose your nickname on the left.
- Choose Login items tab.
- Check startup programs you want to remove.
- Press the '–' sign below.
- You're done.
- If you need to add an item back, press '+' and choose the app you'd like add.
- Then restart your Mac to see the changes.
How to fix broken startup items?
Broken Mac startup files are left there because some part of apps are left on your Mac long after you've moved the app to the Trash. To get rid of these parts and to fix your startup, you're going to need CleanMyMac again. First, you need to check if they're among startup items and disable them if so. You can do it following the instructions above. Then you need to remove app leftovers. CleanMyMac works fine on macOS Big Sur and earlier OS.
- Launch CleanMyMac.
- Choose Uninstaller tab.
- Scroll through the list of apps.
- If you spot any app that you've deleted, check them.
- Delete the app leftovers you've chosen.
You can also find and remove broken login items with the help of System Junk module:
- Choose System Junk tab.
- Click Scan.
- Review details and click Clean.
Finally, you need to clean your macOS startup items through launch services:
- Open Maintenance tab.
- Choose Rebuild Launch Services.
- Hit Run.
- Done.
Stardust raiders mac os. Once you do it, all broken app data on your Mac will be fixed.
Remove daemons and agents from startup process
If speaking of files, first go to the system folder /Library/StartUpItems. Here you'll find all the startup files that are being launched with the system. You can delete the login item you think is necessary if you're totally sure what you are doing.
Also, the /Library/LaunchDaemons folder contains a bunch of preference files that define how the application that is being launched along with the system should work. You might want to delete some of these files as well if you know you don't need them and removing them is safe.
- Download CleanMyMac for free.
- Launch the app.
- Open Optimization tab.
- Click on Login items.
- From the list of apps, disable the ones you don't need on startup.
- Done!
How to change startup programs manually?
Disabling Mac startup programs is possible manually. Therefore, if you have some time and would like to do it yourself, follow the steps below.
Your login items are listed in settings. One of the easiest ways to control startup items is inside System Preferences > Users & Groups.
- Open System Preferences.
- Go to Users & Groups.
- Choose your nickname on the left.
- Choose Login items tab.
- Check startup programs you want to remove.
- Press the '–' sign below.
- You're done.
- If you need to add an item back, press '+' and choose the app you'd like add.
- Then restart your Mac to see the changes.
How to fix broken startup items?
Broken Mac startup files are left there because some part of apps are left on your Mac long after you've moved the app to the Trash. To get rid of these parts and to fix your startup, you're going to need CleanMyMac again. First, you need to check if they're among startup items and disable them if so. You can do it following the instructions above. Then you need to remove app leftovers. CleanMyMac works fine on macOS Big Sur and earlier OS.
- Launch CleanMyMac.
- Choose Uninstaller tab.
- Scroll through the list of apps.
- If you spot any app that you've deleted, check them.
- Delete the app leftovers you've chosen.
You can also find and remove broken login items with the help of System Junk module:
- Choose System Junk tab.
- Click Scan.
- Review details and click Clean.
Finally, you need to clean your macOS startup items through launch services:
- Open Maintenance tab.
- Choose Rebuild Launch Services.
- Hit Run.
- Done.
Stardust raiders mac os. Once you do it, all broken app data on your Mac will be fixed.
Remove daemons and agents from startup process
If speaking of files, first go to the system folder /Library/StartUpItems. Here you'll find all the startup files that are being launched with the system. You can delete the login item you think is necessary if you're totally sure what you are doing.
Also, the /Library/LaunchDaemons folder contains a bunch of preference files that define how the application that is being launched along with the system should work. You might want to delete some of these files as well if you know you don't need them and removing them is safe.
The /Library/LaunchAgents contains preference files responsible for the apps that launch during the login process (not the startup).
The above-mentioned folders contain app-related files. However, you can also check system folders to review whether you need some of the system applications to be running on startup:
- /System/Library/LaunchDaemons - note that besides preference files this folder contains other important system items that are recommended to keep untouched.
- /System/Library/LaunchAgents - most probably, you won't also find anything worth removing in this folder, however, keeping this location in mind might help you find files related to a problematic app that causes troubles on Mac startup. If you have a problematic application that messes about on login, you can try to trace it back from this folder.
But, if you're looking for simple ways to remove login items, we suggest using a professional Mac utility. Download CleanMyMac X for free and make unwanted and broken login items a thing of the past.
Developer | Digital Zone |
---|---|
OS family | RTOS |
Working state | Active |
Source model | FOSS |
Repository | phantomuserland |
Available in | C/Phantom/Java |
Kernel type | Real Time Microkernel |
License | LGPL |
Official website | phantomos.org |
Phantom OS Flatland: another perspective mac os. is an operating system mostly made by Russian programmers. Phantom OS is based on a concept of persistent virtual memory, and is managed-code oriented. Phantom OS is one of a few OSes that are not based on classical concepts of Unix-like systems. Its primary goal is to achieve simplicity and effectiveness in both the operating system and applications at the same time.
Phantom is based on the principle that 'Everything is an object', in contrast to the Unix-like approach of 'Everything is a file'.
Basics[edit]
Managed code: Memory protection on object level, rather than on process level; absence of pointer arithmetic in managed code avoids many problems that are present in unmanaged code.
Global address space: Very effective and inexpensive IPC (InterProcess Communication).Single (flat) address space allows transfer of objects from one process (application) to another by transferring links to that object. Security is achieved through the absence of pointer arithmetic and the inability of an application to get linked to an object other than by calling a public method.
Persistence: Application code does not see OS restarts and could live forever—this makes the concept of a file obsolete and any variable or data structure could be stored forever and at the same time be available directly through a pointer. Differently from hibernation that is done in other OSs, persistence lies in the very core principles of the Phantom OS core. It is done transparently for applications; in most cases it does not require re-programming of an application. Persistence stays even if the computer crashes.
Compatibility[edit]
Two ways of code migration are offered:
- Converter from JVM bytecode — will supposedly allow import of Java bytecode and other programming languages targeting Java virtual machine.
- POSIX-subsystem allows port of application code from Unix/Linux — although important features of Phantom OS will not be available.
Status[edit]
Currently the system exists in alpha version for ia32 processors. Port to ARM architecture is underway (currently being tested, not yet ready for use) and port to MIPS and amd64 has been started. Fish.io mac os. Kernel operation has been demonstrated at the biggest Russian IT-conferences RIT 2011, ADD 2010,[1] CC 2010,[2] and 2009.
The project is open for contributors to join.
See also[edit]
Notes[edit]
- ^Dmitry Zavalishin reports on ADD 2010Archived 2012-07-07 at archive.today
- ^Dmitry Zavalishin reports on Chaos Constructions'2010 (Saint-Petersburg, Russia) Archived 2012-03-23 at the Wayback Machine
References[edit]
Mac Os Versions
- Ted Dziuba. (2009-02-03). 'Russian rides Phantom to OS immortality'. The Register. Retrieved 2011-04-27.
The iPhone that never dies
- 'Source codes of Phantom OS'. Digital Zone. 2009. Retrieved 2011-04-27.
- 'Phantom OS Internals book'. 2019.
- 'Phantom OS on OpenHUB'. 2019.
External links[edit]
Mac Os Catalina
- 'FosDem2020 speech'.