Launch and Use Any Mac OS App When Booted in OS Lion Recovery HD Drive

Check tutorial of Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive

So after a lot of requests from our users here is a guide about Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive.

Whether you created a Lion recovery drive with Apple’s Lion Recovery Disk Assistant Tool and boot from there, or you simply rely on the Recovery HD partition, this technique works.

1) Boot from a recovery drive and launch Terminal

First of all, regardless of which boot device you are using, you need to open the Terminal.

  • Boot from Recovery HD or the external Recovery Drive by holding Option on startup and selecting the drive, startup is complete when you see the “Mac OS X Utilities” window
  • Click on the “Utilities” menu and go to “Terminal”

You are faced with the command line, where you can launch other apps. Now it is also true whether you boot from the internal Recovery HD partition or an external Lion recovery drive that you created with Apple’s assistant tool.

2) Launch apps from Macintosh HD while booted from an external recovery drive

As long as the built-in drive is still working and Macintosh HD is mounted, you can still access your entire app library while booting from an external recovery drive. All you need to do is use the correct full path to the mounted volume, the default is Macintosh HD, but you can find it with this command:

ls / Volumes /

We will assume that “Macintosh HD” is your hard drive name for this walkthrough. Now here’s the interesting part, usually you can launch applications from the Terminal with the ‘open’ command, but the Lion Recovery drives have a stripped-down set of commands at their disposal, so that won’t work. What to do? Point to the full path of the app itself, in the .app container. I found that important little piece on MacFixIt (also screenshot source), so the format we want to use for launching apps from the external startup disk is:

/ Volumes / Macintosh HD / Applications / APPNAME.app / Contents / MacOS / APPNAME

For example, we can start Network Utility with: / Volumes / Macintosh HD / Applications / Utilities / Network Utility.app/Contents/MacOS/Network Utility

Make sure to escape all spaces in the backslash path for proper execution. You can also set apps to run in the background so that you can continue to use the Terminal by ending the command string with an ampersand:

/ Volumes / Macintosh HD / Applications / Twitter.app / Contents / MacOS / Twitter &

This method actually allows you to run concurrent instances of apps without using the traditional ‘open -n’ command method.

3) Launch apps while booted from HD internal recovery partition

If you are booting from the internal Recovery HD partition instead of an external recovery drive, the command syntax is shorter and thus slightly simpler, as you do not need to specify which volume to start the app from.

This time to launch Twitter it would be: /Applications/Utilities/Twitter.app/Contents/MacOS/Twitter &

And Network Utility would be: / Applications / Utilities / Network Utility.app/Contents/MacOS/Network Utility

Since you don’t need to specify a volume, you can look around your / Applications / directory, just make sure to point the path beyond the .app to the content, following this common syntax:

/Applications/AppName.app/Contents/MacOS/AppName

Some apps are minimally useful in a situation like this, but others are no doubt useful. For example, starting Keychain Access can be an easy way to recover app or website-specific passwords, although you still need the admin password to unlock the keychain.

However you like it, this is a great troubleshooting technique as it allows you to branch out from the limited selection of apps available to you when you boot from Recovery HD or an OS X Lion installation drive.

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Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive: FAQ

Tutorial Summary: Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive

In this guide, we told you about Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive; please read all steps so that you understand Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive in case if you need any assistance from us, then contact us.

How this tutorial helping you?

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What is actual time in which this method complete?

The time to complete the Launch and Use Any Mac OS X App When Booted from OS X Lion Recovery HD Drive tutorial is 10+ minutes.

What are the supported Device?

Apple

What are the supported Operating system?

mac OS


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