The easiest way to get ay the user library folder in Lion is to hold the option key down when using the Go menu.
Better still make your library folder visible in terminal with:
chflags nohidden /Users/<yourusername>/Library/
The original 32 bit junkie now snorting pure 64. Sky Broadband, Wired, Wireless, VoIP, 2 Macs, 2.5 Hackintoshes, 3.5 PCs, iPhone, OS X, Windows XP, Windows 7, Ubuntu.
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