File and Account Management When Dual-Booting Mavericks and Earlier OS X

I want to install Mavericks into a separate partition on my mid-2009 MacBook Pro so that I can still boot into Snow Leopard to run some essential legacy software. My question is: how do I configure everything so that I only have to install each app once and so that user accounts access one set of files?
For example, I would like to be able to run, say, MS Office within either Mavericks or Snow Leopard, but I want to use the same software installation, the same preferences and other support files, and save to the same user file space.
Would someone be kind enough to point me to instructions for setting something like this up? I am an experienced computer user, and I am capable of following instructions. However, I am not a power user, nor do I know the ins and outs of navigating through the terminal.
Thank you in advance.
David

Hi Dave
Have you found a solution yet? I have exactly the same issue, and same questions. Being able to continue to use 10.6.8 for essential legacy material and a few old programs is a pre-condition of my upgrading to 10.9.
Installing 10.9 onto a new partition, or a new drive (as I shall do on my early 2008 Mac Pro) is mentioned as an option in virtually every article on the web on upgrading, but I can find nothing that explains precisely what you do about your user account.
I'm not so worried so much about the applications. I'll just migrate all that work in 10.9 across to the 10.9 drive, but not delete them from the 10.6.8. drive. I can see too much chance of OS conflicts if you tried to run them in both OS from a single location.
I initially thought it should be possible to access all my content through a single user account which is accessible whether I boot in 10.6.8 or 10.9. I can't find a convincing answer to whether that is possible or not anywhere, or instructions on how to do it if it is possible.
I wonder if I'm not being too complicated about this?. Once 10.9 is installed, I suspect I'll use that for everything except the programs and content that only work in 10.6.8. And it may be far better to have all the 10.6.8 stuff in a specific and separate user account in any case.
But I'd be interested in what you may have found out or decided to do!

Similar Messages

Invalid EFI file path when dual boot

I'm trying to dual boot arch linux with windows 7.
I have windows 7 and my plan for partition is
sda 4:0 128g <- SSD
├─sda1 4:1 0 70g 0 part <- windows 7 already installed.
├─sda2 4:2 0 4g 0 part <- /swap
├─sda3 4:3 0 500m 0 part <- /boot
├─sda4 4:4 0 40g 0 part <- /, /usr, /usr/local, /opt
sdb 2:0 500g <- HDD
├─sdb1 2:1 0 150g 0 part <- windows D drive
├─sdb2 2:2 0 350g 0 part <- /var, /home, /tmp
Also, my motherboard supports UEFI boot.
Following Beginner's guide, I formatted sda2, sda3, sda4, sdb2 typing
# mkfs.ext4 /dev/sda2
# mkfs.vfat -F32 /dev/sda3
# mkfs.ext4 /dev/sda4
# mkfs.ext4 /dev/sdb2
and I mounted /boot on sda3.
After installing grub, I typed
# grub-mkconfig -o /boot/grub/grub.cfg
Then to make windows7 menu on grub, following Linux menu entry , I modified /etc/grub.d/40_custom file as
#!/bin/sh
exec tail -n +3 $0
# Windows 7
menuentry "Windows 7" {
set root="(hd0,1)"
chainloader +1
Finishing arch installation and rebooting, I could see the windows 7 section on grub boot menu,
but if I choose windows7, it prints error
error: invalid EFI file path
press any key to continue...
Actually, there was one more error message at first line,
but seeing this error message and reinstalling again and again,
I think something was twisted, and now I can't boot windows either...
So I'm reinstalling windows.
What is the correct way to dual boot windows and arch?
Last edited by hermite (2015-02-04 00:54:00)

It looks like your Windows system was booting in non-EFI mode and so does not have a bootloader on the EFI system partition.
When you have re-installed Windows, check the partition table from the Arch ISO (`parted -l`) -- if there is no EFI system partition (type EF00) then you should install Arch in non-EFI mode (don't use FAT for /boot) and install GRUB using:
# grub-install --target=i386-pc --recheck /dev/sda
https://wiki.archlinux.org/index.php/Be … therboards

When dual-booting with Windows 7, Mac OSX time settings reset every reboot.

I have recently installed Windows 7 Professional on my mid 2010 MacBook Pro via BootCamp (Running Mavericks BTW). Everything runs grean and have not experienced any problems on the Windows side, but I have a problem with Mac OSX now. When I am using Windows 7, and I reboot into Mac OSX, I find that my time settings are wrong. It seems like my time zone has changed, because the date is correct, as well as the minutes, but the hour is always wrong. When I go to Date & Time in System Preferences, and my time zone is correct, but I still have to chage the hour in the time. Any ideas as to why this is happening and how to stop it would be greatly appreciated.

If you dual boot your Windows PC with OS X or Linux, you may have experienced a problem in which your clocks reset themselves incorrectly every time you boot into Windows. Here's a simple registry edit to fix that.
Essentially, the incorrect clock setting happens because OS X and Linux use GMT time while Windows tries to synchronize with your local time zone, getting confused when you reboot between the two. Apple's own Boot Camp drivers for Windows are supposed to fix this problem, though some users have noticed that it still happens even with the drivers installed, and some Linux users are left out in the cold. Furthermore, if you have a Hackintosh, you can't install the Boot Camp drivers, so you'll need to find another way around the problem.
To fix it, just hit Start and type regedit.exe in the search box. Hit Enter and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation. Right click anywhere in the right pane and hit New > DWORD (32-bit) Value. Name it RealTimeIsUniversal, then double click on it and give it a value of 1.
Lastly, reboot into OS X, then reboot back into Windows. You should now notice that your clock actually displays the correct time.

Arch does not show up in Grub when dual booting with windows 8

I just installed Arch linux, dual booting with windows 8 using the beginners guide[https://wiki.archlinux.org/index.php/Beginners'_Guide] itself. Now Grub is installed and i can only find Windows 8 and I cannot find Arch. Is there a way I can find if arch linux has been installed and show up in Grub.
Sorry, I am a newbie, but i chose to post this topic here and not newbie corner as it is installation related.
My windows 8 is installed on /dev/sda1 with ntfs partition type. Arch Linux is installed on /dev/sda6 and it is ext4 partition. I dont know if this info helps. I am using Thinkpad R61
Last edited by sutro_droid (2013-03-06 00:30:48)

ivokosir wrote:It may be that you didn't install os-prober before running grub-mkconfig. This happened to me once, I hope I'm not too late to warn you.
I am sorry, yes you are too late. I have wiped windows 8 and performed clean install. No regrets. And as a matter of fact, I did grub-config and then installed os-prober. That could be the problem. Thanks. I will try this again another time.

Can I dual boot Mavericks and Snow Leopard?

Hello. I own a 2011 i5 iMac. I recently started working with some softwares that will only work properly on Snow Leopard, but I have Mavericks installed. My question is: can I create a new partition in my HD and use BootCamp to install Snow Leopard?

If it is a Late 2011 model, then you cannot. The earlier models came with a special version of Snow Leopard on DVDs. You can install only that version of Snow Leopard. If you've lost those discs, then you are out of luck.
You do not use Boot Camp for this. Rather, you will use Disk Utility.
To resize the drive do the following:
1. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2. You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3. In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4. Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.

Problems with Windows XP when dual booting with OS-X 10.6

I have track pad issues. I can't drag things, and for some reason no matter how fast I move my finger, it moves the same distance on the screen.
Is this a common issue? How can I fix this?

Hi,
Have you installed all the appropriate Boot Camp drivers? If so, try running Apple Software Update from Windows XP and see whether there's anything new. Other than that, it could be that you've turned off mouse acceleration and that's why your cursor only moves the same distance regardless of speed. As for the Drag and Drop issue - best just check all your Boot Camp drivers are installed and up-to-date.
HTH,
S.

[SOLVED] RTC and dual booting with Windows 8/8.1

I am planning ahead of installing Arch on a windows 8.1 laptop, and need to understand whether or not the known Windows registry hack to get windows to use UTC for the RTC is still valid for Windows 8/8.1? I have been searching via google and the usual sources of information, but it is not clear to me if there are problems doing this, specifically if arch is dual booted with Windows 8/8.1 rather than older versions of the MS OS. Certainly I have used the technique without any problem in the past when dual booting Windows XP with Arch on several different machines.
Does anyone have personal experience with doing this on a Windows 8 or 8.1 machine and can report here on whether it works successfully or not?
Thanks for any advice.
Last edited by mcloaked (2014-02-11 21:16:21)

Since there were no replies at this point I thought I would just go ahead and implement the registry hack on the Windows 8.1 O/S in the laptop and see if Windows behaves. It appears to be OK, with the displayed time being correct after reboot, and time synchronisation remaining fine with no problems seen in the displayed time, although I won't be able to read the RTC directly until I have completed the Arch install in the coming week or two. I now don't foresee any issues with the time synchronisation between booting Arch and Windows 8.1 so I will mark this as solved.
Since the RTC is now in UTC then normal clock config in Arch using chrony should perform normally once the install is done and the new system set up.
Last edited by mcloaked (2014-02-11 21:17:11)

Dual-booting with other Linuxes; shared data partition

I've got two entirely-blank 320GB hard drives on my computer, and I'd like to dual-boot Arch and Debian on it (and potentially others later). How should I set up GRUB (or GRUB2-- the wiki says that it's a better option when dual booting with other distros) for each OS in order to have both of them able to boot, as well as retaining the capability of adding other distros? (Assuming that Arch's GRUB(2), not Debian's, will be installed to the MBR.)
In addition, I'd like to keep my config files and data separate (with a shared data partition on HD 2).
- What is the best way to set this up separately from the /home partition, i.e. mount /data on startup and be able to access it quickly from a filemanager or the commandline? I venture a guess that I'd edit /etc/fstab and add a symlink to /data within /home/USERNAME...
- What is the right size for the /home partition in this setup?
A tentative partition scheme is as follows (note that I have 4GB RAM, since that factors into swap size):
HD 1
4GB shared swap partition
256MB ext3 Arch /boot partition
20GB ext4 Arch / partition
? ext4 Arch /home partition *see note above*
256MB ext3 Debian /boot partition
20GB ext4 Debian / partition
? ext4 Debian /home partition *see note above*
(free space)
HD 2
320GB shared ext4 data partition
Last edited by DrKillPatient (2012-06-20 18:38:01)

Most of it is a matter of opinion I think, but since I have a similar setup I'll throw in my two cents.
DrKillPatient wrote:I've got two entirely-blank 320GB hard drives on my computer, and I'd like to dual-boot Arch and Debian on it (and potentially others later). How should I set up GRUB (or GRUB2-- the wiki says that it's a better option when dual booting with other distros) for each OS in order to have both of them able to boot, as well as retaining the capability of adding other distros? (Assuming that Arch's GRUB(2), not Debian's, will be installed to the MBR.)
I use GRUB (legacy). Adding a distro in the grub menu is just a matter of finding the kernel and initram image of the distro and adding an entry. OS's generally either have a fixed location/name for the kernel and image or have a fixed link, so there are no problems on updates. I really don't like GRUB 2 and don't see the point of using it unless you are using something exotic that GRUB doesn't support.
DrKillPatient wrote:I
In addition, I'd like to keep my config files and data separate (with a shared data partition on HD 2).
- What is the best way to set this up separately from the /home partition, i.e. mount /data on startup and be able to access it quickly from a filemanager or the commandline? I venture a guess that I'd edit /etc/fstab and add a symlink to /data within /home/USERNAME...
- What is the right size for the /home partition in this setup?
I just mount the data partition in /mnt/data and make symlinks from my home partition. In my case the data partition is ntfs, since I also use windows. My home partition contains 1.2 GB, of which 600 MB source code. So if you only keep configs in them it probably won't reach 1 GB.
DrKillPatient wrote:
I
A tentative partition scheme is as follows (note that I have 4GB RAM, since that factors into swap size):
HD 1
4GB shared swap partition
256MB ext3 Arch /boot partition
20GB ext4 Arch / partition
? ext4 Arch /home partition *see note above*
256MB ext3 Debian /boot partition
20GB ext4 Debian / partition
? ext4 Debian /home partition *see note above*
(free space)
HD 2
320GB shared ext4 data partition
In my opinion a seperate boot partition is only useful for the OS of which the bootloader is installed to the MBR.

[Solved] Arch + W8 dual boot, UEFI, partitioning question

Hello,
I'm buying new laptop with preinstalled W8 (Lenovo E430) and I'm planning to dual boot. I've read Beginner's guide, Installation guide, searched forum, etc., but I'm still unsure how to deal with creating partitions for Arch while keeping Windows.
From the Beginners' Guide:
If you are intending to follow the advice to create a GPT partition table then you need to choose "Advanced" and then select "gpt" from the drop-down menu. This cannot be done if you have a pre-existing Windows installation on the drive which you wish not to destroy.
and from the Partitioning:
To dual-boot with Windows, one must use MBR.
A special exception to this rule: dual-booting Windows 64-bit using UEFI instead of BIOS, one must use GPT.
My W8 will be 64bit and also is Arch.
So, my question is. When I shrink W8 partition and create free space for Arch, do I have to choose 'gpt' option (2nd quote) or not (1st quote) for formatting? Or am I reading it totally wrong?
I would give it a try, but that destroying thing kind of scares me.
Last edited by centos (2013-06-18 19:24:58)

The wiki quotes you've presented make it look like the wiki was created with an MBR/BIOS assumption and then poorly edited to incorporate GPT/EFI information. The rules, presented in a more cohesive way, are these:
Windows ties its partition table type to the computer's firmware: under BIOS, Windows requires MBR; and under EFI, Windows requires GPT.
Linux is more flexible: It can use either MBR or GPT under BIOS. In theory, Linux can use either MBR or GPT under EFI, although many EFIs seem to require GPT, so it's best to stick with GPT on EFI-based computers.
When dual-booting, Windows is the limiting factor when it comes to partition table type.
Most EFIs include a Compatibility Support Module (CSM), which enables them to boot BIOS-based OSes. The CSM can usually be enabled or disabled in the firmware setup utility, although the details of how to do this vary from one implementation to another.
Computers that ship with Windows 8 pre-installed almost always use EFI, and therefore GPT.
Converting from MBR to GPT or vice-versa is possible with GPT fdisk (gdisk, cgdisk, or sgdisk), but this requires re-installing the boot loader for any already-installed OS(es). If Windows is one of those OS(es), it's probably not worth the effort.
GParted and parted can convert from MBR to GPT or vice-versa only by destroying existing partition entries, so you should use these tools to make such a change only on a blank disk or if you intend to lose all the existing partitions.
Since you (centos) say you're installing to a computer with a pre-installed Windows 8, you've almost certainly already got an EFI/GPT setup. Under these circumstances, you won't be choosing a partition table type unless you want to completely wipe that installation and install both OSes fresh. GParted will detect the partition table type and work with it automatically; you should not select the option to create a new partition table, which your first quote (partially) describes. You should, however, be sure that you install Arch in EFI mode and that you install an EFI-mode boot manager and/or boot loader, rather than a BIOS-mode version of GRUB. Getting an EFI-mode Windows and a BIOS-mode Linux to coexist is possible, but awkward. Converting a BIOS-mode Linux installation to boot in EFI mode is also possible, if you mistakenly install in BIOS mode; but it's usually easier to install in EFI mode to begin with. There are lots of threads here on EFI-mode Arch installations, as well as information in the Arch wiki on this topic. Unfortunately, EFI is still new enough that there are still a lot of kinks to be worked out, both in specific firmware implementations (many of them are buggy) and in OS support (which is still not as mature as is BIOS support).

Dual Boot with Windows 7 (Yes, I'm sorry)

I've just installed Arch Linux and have gotten my desktop environment working, and now I'm looking to be able to go back into my Windows 7 install, but this doesn't work.
I've done several edits of my menu.lst in the grub bootloader in hopes of finding a solution by trial-and-error, and the closest I've come is a "file not found" error when I booted to the partition windows is installed on.
I have also scoured the forums and wiki for a fix, to no avail.
My windows install is on /dev/sda2.
Here is my menu.lst:
# Config file for GRUB - The GNU GRand Unified Bootloader
# /boot/grub/menu.lst
# (0) Arch Linux
title Arch Linux
root (hd0,6)
kernel /vmlinuz26 root=/dev/sda5 ro
initrd /kernel26.img
# (1) Arch Linux
title Arch Linux Fallback
root (hd0,6)
kernel /vmlinuz26 root=/dev/sda5 ro
initrd /kernel26-fallback.img
# (2) Windows
title Windows
rootnoverify (hd0,1)
chainloader +1
I read about there being a separate partition that windows 7 creates when booting, but I do not have this partition, nor have I ever, I am positive.
Given this menu.lst, I get a "file not found" error (but not with a number).
Can this be repaired?
Last edited by JasonSage (2010-06-14 16:55:24)

Did you try booting from sda1 or are you assuming you know what will happen?
When you installed Ubuntu, did the installer see one or two Windows partitions?
Why would I try sda1?
Ubuntu showed one windows partition.
I just noticed that you did not have the makeactive directive in your config. Add that and see if that helps.
I did try this in my trial-and-error adventure earlier, it did not work.
One thing that you can try is to boot the win7 install dvd, fixmbr, and then reinstall grub to mbr. That have worked for me a couple of times when I've had similar trouble. (with vista tho, not win7)
Indeed, this was the very first step I took. I inserted my Windows 7 dvd, but it would only install windows. I think this is because my Windows 7 copy is an upgrade. There was no way for me to restore my MBR.
Fortunately, I have a 98 SE disc laying around from when I had to rewrite my MBR with XP, so I figured I'd give it a try. I popped it in, got to the prompt, and typed fdisk /mbr.
Now wouldn't you know it, I restarted the machine and, lo and behold, I get a single grub error this time: "error: file not found" and it gives me a grub> rescue prompt. Only these two lines.
After much thought, I inserted my Arch Linux netinstall disc and tried to reinstall grub, but I had no network connection at that point. Instead of completely reinstalling Arch Linux, I went straight to grub and used the setup (hd0) command in the grub prompt to rewrite the MBR on that hard disk.
Restarted, I now have all the options, but windows still gives me the "error: file not found" report.
Now what?

Syncing dual boot data: SL and Mavericks?

Hello Happy New Year to Us All!
I am wondering what to do to best keep user data between SL and Mavericks synced? I have an old Macbook Pro with Snow Leopard and I want to dual boot SL and Mavericks. My computer is an 8 gb RAM mid '09 15" Macbookk Pro w/ new 256 gb SSD and w/ original 500gb HD now in optical bay.
I've partitioned the SSD in 2 equal size volumes, one for each OS boot. SL is now running on one of the partitions, and I could make a third partition on the SSD for one possible shared data volume. (I know the SSD needs to keep adequate free space). The HD is ready for one or more data volumes, backup volumes etc. (I also have several external drives.)
So I have read that you can store your Home Directory in any folder on any volume you want using Advanced Options in the Admin account in Accounts.
Can my Snow Leopard boot volume and the Mavericks boot volume share the same Home directory or somehow same user data on one data volume? I assumed the answer is no and that the data is packaged differently b/w SL and Mavericks but a lifehacker article made me wonder: http://lifehacker.com/5702815/the-complete-guide-to-sharing-your-data-across-mul tiple-operating-systems.
Also Level 9 Baltwo seems to have a lot of experience with this.
https://discussions.apple.com/thread/5481468?tstart=0
https://discussions.apple.com/message/15728093#15728093
https://discussions.apple.com/message/17052849#17052849
But his posts on these threads indicate that he now uses separate data volumes. I wonder is that one for each of his separate OS boot volumes, and if so, why? Snyc advantages?
If this is the way to go, back to the main question: how to best sync the user data between SL and Mavericks?
--Simply figuring out which files to move by hand or get Carbon Copy Cloner to move? Learning to use Dropbox?
--SL workarounds for iCloud?
--Soho Organizer or Fruxx?
--a Snow Leopard Server?
--convert a user account to a network user account?
--other?
Thank you and I hope Baltwo and other will help me.
Stu

However, data can be shared if kept on a third data volume.
Hi Baltwo, thank you. Is sharing user data on a third volume an effective way to keep SL generated data and Mavericks generated data consistent and usable by both? If only one OS is running at a time and therefore the shared data is only used by one OS at a time each change, any change, would seem to be saved sequentially. What are the pitfalls and risks doing it this way? Especially since,
Apple constantly changes how updated versions retain stuff in their libraries.
You, on the other hand, keep separate data volumes, one for each OS boot volume I think, I presume in order to keep OS boot volumes lean and all able to fit on a SSD?
I could do it this way too and spend most of my time in SL b/c it seems faster than Mavericks on my system. (I installed Mavericks last night and set up iCloud for first time). I could just use Mavericks when necessary, and manually sync Apple Mail like you described, Chrome bookmarks, and other things.
PS I thought there were a lot of things Mavericks would open up for me, like Airplay and Find My Phone w/ iCloud, but the former still won't work on my system and the latter works in SL, now that iCloud is set up.

What do i need to do to share TB and Lightning files between W7 and Ubuntu 14.04 on a dual boot system?

I recently installed Ubuntu 14.04 alongside W7. Since I'm not comfortable dropping Windows completely yet, I want my W7 Thunderbird and my Ubuntu TB to have access to the same data file holding current messages, so I don't have to get out of one to use TB on the other. I rely on Lightning and also want my reminders to be consistent from either OS. I have a separate NTFS data partition which, I understand, can be used to house the profile directory (though I've not seen that as a solution for Lightning).
In trying to set it up, I've run into questions that I can't find a good answer for -- want sources that address the problem and are recent. I'm pretty patient, and I can stumble through a lot of things (like learningn about partitions). But I'm not a programmer, and this start-stop-sort-through-dozens-of-old-incomplete-and-irrelevant-answers process is frustrating. (Nor do I lift the hood and tune my own car engine.) I also recognize that some things I want to do aren't necessarily common, so they're not at the top of anyone's "tell the world how to do this" list.
1. My profiles directory has 6 *.default files. I assume the current one is the most recent. Do I need the older ones? How did I get them, since I've never knowingly created a new one? I'm the only user of my machine and thus the only user for TB.
2. I saw the following before setting up the dual boot system, so it's likely not related -- but if someone who knows TB well can comment I'll appreciate it: when I view All folders, I see 58(!) folders with names nstmp-##. The contents overlap with normally-named folders, but the sets of messages are not identical. Do these indicate a problem and/or should I change something? Does this have to do with compacting or archiving, neither of which I do? Never saw the need, and never saw an article saying that they're important. I just want to use mail and reminders. And BTW I've been using TB/Lightning for years and am Very happy with them, so I want to keep using them.
3. Is there a way to set up Lightning to hit the same data file(s) on my data partition? Or somewhere? Where are Lightning's files? I remember one source mentioned linking to "storage.sdb", but (1) I can't find the reference again, and (2) links to some of my files don't always work. Broken links aren't Mozilla's problem, but someone might know how to geet around the problem for the sake of Lightning. Also, storage.sdb and calendar* directories exist inside my *.default profile directory -- so why would I need to link anything? Are these not where calendar data is stored? If not, where?
I'd rather understand the reasons behind recommended procedures ("do A because Y is how Lightning/TB works" -- vs "do A, then B, then C...and it will/should(!) work."). But if you can point me to a clear procedure that will get me where I want to go, that will be enough.
Last, the following two URLs looked like they would help but don't -- so you don't need to point me to them again:
http://kb.mozillazine.org/Sharing_a_profile_between_Windows_and_Linux -- this is only 2 years old but:
(1) it only says that "settings" specify file locations, without saying which settings. Stumbling around, I found "Local directories" under Server Settings. For more detail the page refers to an article that's 10 years old. Neither source says which subdirectory under *.default should be the target. The older one references ".../mail", but when I enter that value in Local Directories under Ubuntu, nothing shows up. When I went down one more level to "/Local Folders", the folders appear and the new-message counts seem(!) ok. But I also got a couple "folder missing...will adjust filters" messages. I never got those under Windows. So am I good to go, or am I missing messages?
(2) The above page only says that Lightning is a "potential problem", with no suggestion of a solution or link to a discussion. Searching results in many hits, but I haven't found anything helpful.
http://ubuntuforums.org/showthread.php?t=1624973 -- this looked promising, but the comments are dated 2009-2010, deal with ubuntu 10 and XP, and don't seem to address my problem -- unless I'm not savvy enough to recognize it, which is entirely possible.
Thanks for any insights.

Lightning is a problem for you because it hooks into Thunderbird at a low level and you need a version compiled for the platform Thunderbird is running on. So you can't do the preferred solution, which is to put your whole profile in a shared folder and have both instances of Thunderbird reference the same profile. (Ditto for Enigmail). Lightning may become an integral part of Thunderbird in an upcoming release, at which point this limitation due to Lightning should disappear.
And if you can't use a shared profile, you can't set your Lightning, or your Address Book, to share a common set of files. Put another way, the linkage from Thunderbird to its address book files and calendar data is hard-coded, and not exposed where we can adjust it. :-(
The halfway house is to place your mail stores in a shared place, and use the Local Directory setting in each account's settings to connect to it. They don't need to be in the profile; what's more important in your case is that they are in a folder accessible to both operating systems.
Look in your profile; everything under Mail and ImapMail needs to be moved out to a shared folder. Note the entries in Thunderbird under Local Directory before you do this, and reconstruct those pathnames in Thunderbird, but adjusted to suit their new locations.
(You can see here that you need to make many adjustments, one per account, in each instance of Thunderbird, so it's a high-maintenance solution and this is why we don't recommend it when the alternative, moving the whole profile, is possible.)
I share address books and calendars between Thunderbirds on various computers (and my phone and tablet) by syncing to something in the cloud; Google Contacts and Google Calendar are my choices, using gContactSync and CalDav.
Having made the break myself some years ago, I'd recommend you break away from Windows. ;-)

Dual Boot with Snow Leopard and Mavericks not possible?

I have a Early 2011 Macbook Pro with 2,3 GHz i7 Quad and two 512 GB SSDs (the secondary disk in an optical drive bay enclosure). This Macbook Pro can run Snow Leopard and Mavericks on the primary disk without problems. When I try to set up a dual boot system however, problems appear and it looks like it is not possible. When I start from Snow Leopard, I cannot select Mavericks as a start volume and vice versa. The error message says something like "Bless tool" cannot use this disk, i.e. unmount and boot from it. The problem remains when I exchange the disks (putting the primary disk in the drive enclosure and vice versa). When I put the secondary drive in an external case however, it is possible to boot from it - but strange things happen when the system starts: My computer clock is reset to 1/1/2001, WiFI passwords are not remembered for more than one session, disk permissions are reported as "repaired" but do apear as not repaired when I check them again - and other issues). I have verified both disks already and repaired permissions but that does not change the situation. So my experience is different from what is said in https://discussions.apple.com/thread/566781. It looks like the latest Mavericks cannot coexist with Snow Leopard on neiter a secondary internal drive nor on an external drive. This is strange since both disks and systems work flawless when run alone. Any suggestions to solve this problem?

When I check the Mavericks disk in the optical drive with disk utility after booting / running Snow Leopard on the primary disk I get som errors, see below ("disk utility Info"). So after all, I decided to erase the disk and install Mavericks new. But even erasing the disk is not possible when it is in the optical drive enclosure. I get this error message:
"Volume Erase failed with the error:
Could not unmount disk"
When I put this disk into an external case connected via USB however, it starts and runds MAvericks without any Problem. Same happens when I put thie Mavericks disk into the internal primary hard disk place.
"disk utility Info" when verinfying the secondary drive in the oprical bay:
Verifying volume “Samsung SSD Daten”
Performing live verification.
Checking Journaled HFS Plus volume.
Checking extents overflow file.
Unused node is not erased (node = 40)
Checking catalog file.
Unused node is not erased (node = 30)
Checking multi-linked files.
Checking catalog hierarchy.
Checking extended attributes file.
Unused node is not erased (node = 8)
Checking volume bitmap.
Volume bitmap needs minor repair for orphaned blocks
Checking volume information.
The volume Samsung SSD Daten was found corrupt and needs to be repaired.
Error: This disk needs to be repaired. Click Repair Disk.
Verify and Repair volume “Samsung SSD Daten”
Error: Could not unmount disk

X250 Dual Booting and Disk Management

Hi, when I got my X250, I got it with the intention of dual booting the system, with a Linux Distro (Probably Ubuntu in this case). However, when I took a look at the Disk Managment system (within Windows 8.1), it showed several partitions on the disk that are marked as 'Recovery Partitions, and they are placed at both the start and the end of the disk. What appears to be the boot partition and file system is somewhere in the middle, and so it makes it quite difficult to discern what I can do with these. Having checked back about 3 months after my first look, it appears that all the partitions apart from the boot ones are still 100% free (they have no data in them). Is Dual Booting still a viable option here, or will manipulating these partitions affect the performance? What should I look to do, because I still require Windows for the compatibilitiy, but I need to learn how to use Linux?

Welcome to Apple Discussions!
The GMA chip does have a weird things about it which may be causing a problem. Unless your physical RAM is high enough, it won't give you the full 64 MB of VRAM. Boot Camp may also have a bug which you should at least report to Apple's bootcamp AT apple.com e-mail address. There is also a Boot Camp forum here where you can find out just how much VRAM people are able to get out of the Boot Camp environment:
http://discussions.apple.com/category.jspa?categoryID=218

I have a white intel i mac and when i boot up a file with a question mark shows up

i installed wnow leopard and then attempted to use boot camp to install windows (thats a whole other story though) after i got windows on it and then got it back to the mac side i found i could not get back to the windows side so i attemted to delete the windows partition and recreate my full mac partition (thats not as easy as i thought it would be, anyway i ended up with a partition that said it was the alloted mac partition space and another one, that apperead smaller in disk utility, that said it was 160 gb (my total disk size) while i was trying to fix that i hit the power strip switch with my foot and the whole thing shut down when it booted back up the only thing on the screen was a file with a question mark on it, i think it is just booting from the misconfigured parition but im not sure ive tried inserting my snow leopard and xp system disks but it doesnt seem to be booting from them.

At startup hold down the Option/Alt key t bring up the One time Boot Selection, Startup Manager, screen and then select the OS X install DVD. Give it about 30+ second for the DVD drive to read and display the OS X install DVD.
Then use Disk Utility to Repartition the drive as one partition and then try installing OS X.
Could be you simply killed that drive with all the new installs of OS X and then Windows and then using Disk Utility to erase the Windows partition. If that is the case you'll need to replace the drive before you'll be able to reinstall any OS on it.
In any event Never use Disk Utility to erase a Windows install. Use the Boot Camp Assistant a second tim to Remove Windows and the partition it is installed on.

File and Account Management When Dual-Booting Mavericks and Earlier OS X

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