Mac OS X

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  • can open any file from command line using the appropriate application using
open -a <Application> <file>

Mounting Network Drives

  • Finder->Go-> Connect To Server (%K)
  • Applications->Utilities->NetInfo Manager

Spaces (Multiple (Virtual) Dektops


  • Command-Shift-3 = a screen capture of your entire screen
  • Command-Shift-4 = gives you a crosshair cursor so you can choose which area of the screen you want to capture.
  • Control-Command-Shift-3 (or 4) = instead of creating a file on your desktop, copies the capture into your Clipboard memory, so you can paste it where you want.

HFS flags

  • Hierarchical file system, replaced by HFS plus
  • ls -l shows drwxr-xr-x@
  • @ sign means there are extended attributes
  • ls -l@ shows extended attributes
  • use "chflags nohidden *" to unhide files from Finder

Homebrew permissions

chgrp -R admin /usr/local
chmod -R g+w /usr/local