High Quality Content by WIKIPEDIA articles! Unix time, or POSIX time, is a system for describing instants in time, defined as the number of seconds elapsed since midnight Coordinated Universal Time (UTC) of Thursday, January 1, 1970 (Unix times are defined, but negative, before that date), not counting leap seconds, which are declared by the International Earth Rotation and Reference Systems Service and are not predictable. It is used widely in Unix-like and many other operating systems and file formats. It is neither a linear representation of time nor a true representation of UTC (though it is frequently mistaken for both), as it cannot unambiguously represent UTC leap seconds (e.g. December 31, 1998 23:59:60), although otherwise the times it represents are UTC. Unix time may be checked on some Unix systems by typing date +%s on the command line. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном...

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