Another question about the built-in Mac spell dictionary. (I did read the previous question How can I forget or edit a learned word in the Mac spelling dictionary?)

Under User>Library>Spelling> I have both LocalDictionary and en.

What is the relationship between these two? Adding a great number of specialized, technical words one at a time as they appear in my writing is taking a lot of time. Is there a way to add a great number of (specialized) words to one of these?

I take a lot of photos. So many that Aperture is starting to bog down. I was talking with a fellow photographer and he said that he splits his Aperture library every six months. Sounds like a good idea. How do I create a new Aperture library or, better, move a project into a new library?

I need to test out some Web site programming on a Linux system and have determined that the Ubuntu distribution is ideal. My question: what's the best, easiest way to install Ubuntu Linux on my Mac system so I can run all my tests?

I am constantly running commands in Terminal.app on my MacBook and then copying and pasting the results into email messages or documents. Yes, I'm a tech writer. What I'm wondering is if there's any way to actually copy and past into the Mac system wide copy/paste buffer directly from the command line?

I know that there's a slick iPhone and iPad app store [ed. note: generally this is called the "iTunes Store" or "App Store", depending on your preference] but I understand that there's also a similar online software store for Mac OS X applications and games too? Cool. Where is this Mac App Store and how do I use it to buy and download games and other apps?

I've seen your earlier article about using Image Capture to get photos off an iPhone 4 onto my Mac OS X system, but it doesn't seem to work right. Sometimes I hook it up and it just doesn't see the newest photos, as if it's remembering a previous version of my photo library on the iPhone. Is there an alternative?

I constantly take photos with a pocket camera and slip the SDCARD into the slot on my MacBook Pro. Nothing happens, which is fine. Problem is, I don't want to use iPhoto to import the pictures, most of the time I just want to email them to someone without any archiving or library software involved. Suggestions?

I just upgraded from MobileMe to iCloud and I don't see much different, except my iCal calendar is now empty! This is a huge problem as I use it to schedule patients and, well, it's made me rather anxious. Help!!

Hey Dave, is there a way to change the default weather site on the Mac OS X 10.7 (Lion) dashboard widget?

I want to start exploring the new Microsoft Windows 8 developer preview that was released but I don't want to overwrite the OS on my Win7 laptop. Instead, I was wondering if I could successfully install Windows 8 DP on my MacBook Pro using the latest version of VMWare Fusion (v 4.0)? Possible?

What's the fastest way to install a new font on my iMac if I'm running Mac OS X Lion?

Dave, I have a new PC that is running Microsoft Windows 7 and I really like it, but I've got a problem: a few of the programs I used for data analysis in my job haven't been updated since the days of Windows XP and I can't run them on Win7 at all. Can I install Windows XP and dual boot or otherwise have the best of both worlds?

I just switched over to Mac OS X 10.7 Lion and am kinda weirded out about what happens when I go to edit a file that's more than a few weeks old. Instead of letting me edit the file like the computer used to do, now I get an error that the file is locked "because you haven't made any changes to it recently"? What's the story and how do I disable this feature?

I'm fixing up some data records in our customer database and find that I am constantly converting uppercase letters to lowercase letters. The entire system is Web-based, so I'm working in Mac Safari. Is there some way to speed things up or automate the conversion of the text?

My firm is debating a redesign of our site after we got two email messages saying it's hard to read on smaller Windows PC screens. My suspicion, however, is that the vast majority of our site visitors have big screens and are Mac users. How can I tell?

This is probably like remedial Mac OS X 101, but I just got a new Magic Trackpad and am excited to use it, but can't figure out how to have my iMac know it's there. Since it's wireless, there's gotta be some trick, but my wi-fi / airport system never sees it?

This might sound silly, but I would really like to get a hold of my profile picture, that I took when I first got my mac. I have looked almost everywhere on the machine, and I can't seem to get it from System Preferences either. I'm just really scared of messing something up, like deleting it etc.

I'm getting into my new MacBook and am excited to try out the new Apple Mac App Store. I'd like to also get FaceTime so I can have video chats with my wife, who has an iPhone and is constantly on the road. How do I buy FaceTime (or any other App for that matter) from within the Mac App Store?

I have my iMac set up so that when it wakes up from sleep you need to enter my password to use it, which works great in preventing my kids from using it without permission. Problem is, they've realized that if they just restart the computer it automatically logs in to my account, no password required. Not good. How can I fix this loophole and keep my Mac system more secure?

I would like to have iTunes automatically start up every time I restart my iMac. I know there's a way to do that on my Mac OS X system, but I don't know how. Can you explain, please?

At a conference last week i saw someone make some sort of finger motion on his MacBook Air trackpad and have the screen "zoom in" and get bigger, so he could explain something to his listeners. Awesome. I want. How do I do this?

Today's the day, Apple released the Mac App Store, which I'm pretty psyched about. Finally, the ease of buying and managing applications that makes my iPad a breeze available for Macintosh apps too. But how do I get started, I don't see it magically showing up on my desktop!

While I was shopping for presents last Christmas, I kept having family members wander by and closely eyeball my screen. Not good. I know if I leave the mouse alone for a few minutes that my screen saver will launch, but is there a way to have it immediately launch to keep my screen away from prying eyes?

I run Internet Explorer on my work PC and Firefox on my Mac at home and would love to have their bookmarks stay in sync. I have a Mobile Me account that I got with my Mac and seem to recall that can work with Windows systems too. Can that be used to keep my browser bookmarks in sync across Windows 7 and Mac OS X?

Every time I send an email message from my Apple iPhone 4, it ends with "Sent from my iPhone" which is about as boring as I can possibly imagine. I've seen other people don't have this and I presume they aren't changing it for each and every message they send, so what's the scoop, how can I change my default email signature on my iPhone?