Ctrl-alt-del fixed that issue by using keys on both sides of the keyboard, it required the use of two hands. He originally planned to use ctrl-alt-esc, but he realized that ctrl-alt-esc might be dangerous, as you could press all three keys just by pressing down on the left-hand side of the keyboard. In 1980 or 1981-the exact date is lost to the mists of time, as it was " not a memorable event"-IBM engineer David Bradley coded a routine for the BIOS of the IBM PC to enable the machine to be quickly rebooted. It's a nice story, but it doesn't really add up.Ĭtrl-alt-del was invented by IBM in the early 1980s. After explaining the security rationale, Gates then said that it was a "mistake" and that it was due to IBM refusing to add a single button to take the place of the three finger salute.
#Windows 10 require ctrl alt delete password
Speaking at Harvard earlier this month, Bill Gates was asked why you have to press ctrl-alt-del before you can enter your password and log in to Windows. We're republishing this piece from 2013, because we still think that Gates' telling of the story is a little misleading for IBM it was a feature, not a flaw, that ctrl-alt-del requires two hands, and if Microsoft really wanted a single button ctrl-alt-del for Windows NT, it was Microsoft, not IBM, with the market dominance to achieve that. Talking at Bloomberg Global Business Forum, Gates reiterates that he wishes IBM had created a dedicated button for the feature. Once again, Bill Gates has bemoaned the creation of the ctrl-alt-del shortcut.
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