Via David Jacobs comes news of this hidden pref for OS X users: single-application mode.
That's right, the original single-application mode in Mac OS X Public Beta is still with us. Although it was always intended as a simple option for people who are not computer experts, it turns out to be an interesting option for the power user.
The tidbits article linked above was written by Lewis Butler.
Lewis Butler is a longtime Unix system admin, postmaster and Mac geek. He is a frequent contributor to a large number of mailing lists under his "LuKreme" alias.
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