Classic Unix tools (ls, cat, ed, cal, dc) and games show modern OS lineage ...

Early Sunday morning in Greenwich, England, the clock that keeps Universal Time will strike 01:46:40 -- the 40th second of the 46th minute in the second hour of Sept. 9, 2001. That instant will be an ...

Unix time, also known as 'epoch time,' is the number of seconds that have passed since Jan 1, 1970. As Unix turns 50, let's take a look at what worries kernel developers. 2020 is a significant year ...

This book excerpt is from chapter 1 of The Art of UNIX Programming by Eric S. Raymond, ISBN 0131429019, copyright 2004. All rights reserved. This part of chapter 1 ...