Put OS on a Partition

Soldato
Joined
2 Dec 2004
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Under The Desk, Wales
When i had win 7 i used to have the OS on a separate partition. Can i do that on my Mac? Would it make a difference?
 
Yes you can. I keep my docs, downloads, email, iTunes, iPhone/iPad backups etc on a separate partition and use symlinks back to their original locations.

This way I could reinstall either from a clone or a fresh install and be back up and running immediately without having to re do all my email accounts, transferring of backed up docs etc etc.

As for difference what do you mean? Performance wise its likely to be slightly worse how much worse is debatable so it depends on your motives and what you want to achieve to whether it is worth it.
 
How is it worse?

Also, any step by step idiot guides of how to do a partition and install OS on the partition? Never done that on a Mac before!
 
I've been using a separate partition for my User folder since pre 10.0. In Lion it's pretty trivial; quit all apps, go to preference/users, right lick your name and select @Advanced@ and change your "home directory" to the new one; logout/login again (I think Lion forces you to reboot)

As mentioned, I've been using that trick for years and years, and in fact my current home directory dates back from back then ! I'm pretty sure I have preferences from 2001 or so in there :-)

The main advantage is that you can reinstall a system on another partition, re-create your user, point it to the user folder and you're up and running in 20 minutes, with your your prefs already there.
I push it a bit further by installing most small apps in my home .../Applications (with I create) -- so even between OS versions (I can booth Snow Leopard AND Lion with the same user folder) I keep my favourite apps...
 
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