Lukas Mathis studied Computer Science/Software Engineering and Ergonomics/Usability at ETH Zürich and works as a software engineer and user interface designer for a Swiss software company creating workflow management software. His first computer was a Performa 450, his first programming language was HyperTalk, his first electric guitar was a cheap Peavey, his first video game was a VCS 2600 and his current snowboard is from Lib Tech. He lives in a small cottage in a remote part of the Swiss Alps. You can follow him on Twitter.
Quickly Navigate Up in the Finder
If you're in a Finder window and want to navigate up a level in the folder hierarchy beyond the currently selected level, simply press Command-Up arrow. (You can also Command-click the Finder window's title to pop up a menu of higher levels.)