MacOS Tips

- swtich desktop screen: ctrl + arrow key

- change mouse scroll direction: system preferences -> mouse

- lock screen: ctrl+shift+reject; top left corner -> sleep;
- start screen saver: hot corner: system preferences -> mission control -> hot corner

  http://osxdaily.com/2011/01/17/lock-screen-mac/

- MS keyboard windows key maps to Apple keyboard apple command key

- go to line start/end: apple command + arrow
  - http://hints.macworld.com/article.php?story=20091113104558655

  - Shift+Home/End

- in browser, Home/End go to top/bottom of page.

- select all/copy/paste: apple command+A/C/V
- Screenshot: Shift+Command+4 (select area), Shift+Command+3 (full screen)

Convert dmg file to iso on windows

To convert dmg file to iso on windows, tools for this include:

PowerISO (commercial), dmg2img (GPL, how to. easy to use).

VirtualBox Windows XP guest boot in safe mode

In this case, F8 won't work. fn+F8 won't work too since here it's a special function such as open itune. The method is:

With the XP guest running.
Go to Start, click on Run. In the box type msconfig and hit enter.
Click on the BOOT.INI tab, Check /SAFEBOOT save and restart.

Once GA are installed, reverse the above and reboot.

See here.

Mac memory management

Mac memory:

Total = free + wired + active + inactive
Used = wired + active + inactive

Wired memory are those that cannot be swapped to the hard drive.

Inactive memory are those no longer used and can be released using the "purge" command.

[1] Free Up Inactive Memory in Mac OS X with Purge Command
[2] What is "wired memory" in Activity Monitor?