from the drink-the-magic-time-drink dept.
covertbadger writes "Larry Osterman said farewell yesterday to David Weise, the developer he credits with getting applications to run in protected mode on Windows 3.0, which led directly to Microsoft choosing to push Windows instead of OS/2. Today he speculates on what the IT world would be like if Weise had never completed this work. Windows 95 would never have existed, OS/2 would be the de facto standard, and IBM would never have put weight behind Linux because it had its own operating system to push."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals