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Topic: Time (Unix)

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	Unixtime 2 Date - Unix time to Date Converter and Date to Unix time Converter.
		Convert Unix time to a normal Date and time.
		Unix computers and some databases keep their time stamps in what is termed "unix time stamp" or the number of seconds since Jan 1, 1970.
		To a human this is just a big number, our program converts unix time stamps to human readable dates.
	www.info-pack.com /unixtime2date (0 words)

	Unix time - Wikipedia, the free encyclopedia
		Unix time, or POSIX time, is a system for describing points in time: it is the number of seconds elapsed since midnight UTC on the morning of January 1, 1970, not counting leap seconds.
		The Unix epoch is the time 00:00:00 UTC on January 1, 1970.
		Instead, times with sub-second precision are represented using compound data types that consist of two integers, the first being a time_t (the integral part of the Unix time), and the second being the fractional part of the time number in millionths (in struct timeval) or billionths (in struct timespec).
	en.wikipedia.org /wiki/Unix_time (3838 words)

	Wikinfo \| UNIX
		In 1973-74 the Unix team managed to offer tapes of the new OS to universities for research purposes up through Seventh Edition (UNIX versions were originally named after the versions of the accompanying man pages, or manual).
		The University of California, Berkeley was notable for making UNIX the center of its Computer Science OS research and porting it to all of their mini-computers including the VAX, the successor to the DEC PDP-11.
		At the time, Novell was becoming increasingly frightened by Microsoft's entry into the networked computers business; company leaders saw the UNIX system as a chance to offset their progress.
	www.wikinfo.org /wiki.php?title=Unix (1423 words)

	Time -- from Eric Weisstein's World of Astronomy
		mean solar time: a time based on a hypothetical sun moving uniformly along the celestial equator.
		It is used as the time scale of ephemerides for observations from Earth's surface.
		Universal Time is tied to the rotation of the Earth, and the Earth's rotation rate is rather irregular, thus unpredictable.
	scienceworld.wolfram.com /astronomy/Time.html (460 words)

	BSTJ version of C.ACM Unix paper
		Unix is a general-purpose, multi-user, interactive operating system for the larger Digital Equipment Corporation PDP-11 and the Interdata 8/32 computers.
		Perhaps the most important achievement of Unix is to demonstrate that a powerful operating system for interactive use need not be expensive either in equipment or in human effort: it can run on hardware costing as little as $40,000, and less than two man-years were spent on the main system software.
		The success of Unix lies not so much in new inventions but rather in the full exploitation of a carefully selected set of fertile ideas, and especially in showing that they can be keys to the implementation of a small yet powerful operating system.
	cm.bell-labs.com /cm/cs/who/dmr/cacm.html (8703 words)

	Unix:
		Unix was born at Bell Labs out of the aborted attempt to make Multics the most advanced time sharing computer system yet available.
		By the time these were published in the late 1970s, software tools were such an integral part of Unix that one could hardly imagine the operating system without them.
		Unix came into many CS departments largely because it was the only powerful interactive system that could run on the sort of hardware (PDP-11s) that universities could afford in the mid '70s.
	www.princeton.edu /~hos/frs122/unixhist/finalhis.htm (19978 words)

	Decimal Time - Time of Day
		Although there have been decimal time proposals which are based upon decimally dividing other fractions of the day (1/20, 1/24, 1/25, 1/40), most divide the day by 10, 100, 1000, etc. When used on this site, decimal time of day refers specifically to the representation of the fractional day.
		Internet Time uses the fractional day for standard (winter) time in Biel, Switzerland, which is one hour ahead of GMT/UTC, so it is not synchronized with other fractional days in use.
		Although unpopular then and not used anywhere officially today, this is what is often referred to as "decimal time," and many decimal time proposals are based upon French decimal time.
	www.decimaltime.hynes.net /times.html (400 words)

	UNIX IN THE ENTERPRISE - Unix and time zones, part 2 (Time as we compute it)
		Local times can be reported with respect to UTC with phrases such as UTC+5 or GMT-2, though most people are probably unaware of how much their local time actually differs from UTC - especially when it changes twice a year.
		In a time zone in which a portion of the year is spent in DST, the remainder of the year is referred to as Standard Time.
		Time on the EastCoast of the United States, for example, is referred to as "EST" (Eastern standard Time), "US/Eastern" and "America/New York".
	www.itworld.com /nl/unix_insider/11132003 (1133 words)

	UNIX IN THE ENTERPRISE - Unix and time zones, part 1 (Time as we know it)
		Another surprising anomaly in the global time zone map is that some countries and regions maintain time zones that differ from neighboring time zones by a half-hour instead of an hour.
		When we consider time calculations with respect to the solar system or the stars, these calculations become so complex, in fact, that there are four separate systems for reporting time.
		The TZ database allows us to manipulate time zone variables to determine what time it is in other parts of the world and enables our systems to move automatically into and out of Daylight Savings Time as appropriate for our locations.
	www.itworld.com /nl/unix_insider/11062003 (1199 words)

	eXtropia \| Tutorials \| Introduction to UNIX for Web Technicians \| From the Beginning
		UNIX emerged in the late 1960's out of the work of Ken Thompson and Dennis Ritchie who were trying to solve speed and memory limitations of the MULTICS operating system for which they were writing a computer game called "Space Travel".
		Well, time-sharing is based on the idea that most computers have a lot of extra time on their hands because they are so much faster than the people who use them.
		UNIX was built in the spirit of a long-standing and deeply important philosophy of software design, "Good programmers write great software.
	www.extropia.com /tutorials/unix/history.html (1274 words)

	A Brief History of Unix
		UNIX was originally developed at Bell Laboratories as a private research project by a small group of people starting in 1969.
		UNIX had a relatively small amount of code written in assembly language (this is called the kernel) and the remaining code for the operating system was written in a high level language called C. The group worked primarily in the high level language in developing the operating system.
		In UNIX because the C language was written to be used to implement an operating system rather than a traditional "input-processing-output" application, use of these sophisticated features is quite easily done from the C language without writing any assembly language.
	vertigo.hsrl.rutgers.edu /ug/unix_history.html (1469 words)

	[No title]
		Other time zones are based on UTC---e.g., UTC minus 5 hours---so noon has a predictable relationship to the Sun in every time zone.
		UNIX time counts the number of seconds since an ``epoch.'' This is very convenient for programs that work with time intervals: the difference between two UNIX time values is a real-time difference measured in seconds, within the accuracy of the local clock.
		The NIST Time and Frequency Division Home Page is a good starting point for programmers who want to learn about time measurement.
	cr.yp.to /proto/utctai.html (623 words)

	There can be only one!: A summary of the Unix standardization movement
		Unix is undoubtedly one of the most widely used operating systems.
		Unix was mainly being used internally and no official standard was needed.
		Unix was released to universities for educational purposes.
	www.acm.org /crossroads/xrds1-3/unix-standards.html (1841 words)

	[No title]
		Summarizing how pipes found their way into Unix, Vyssotsky notes that Thompson put them in, but "it was McIlroy who said, `look you ought to do it.' Pipes, like most things in Unix were not a radically new idea."(38) He describes how similar ideas had appeared in other languages like SIMULA as early as 1967.
		Once the Unix kernel was coded in C, it would become possible to implement Unix on different computers without having to rewrite the majority of the code.
		The contributions to the evolution of Unix by researchers at Bell Labs and then by those at the University of California at Berkeley, and other users and programmers around the world who continued the development of Unix, are an important achievement in the development of the process of software creation.
	www.columbia.edu /~rh120/ch001j.c11 (8764 words)

	Early Unix history and evolution
		However, Unix was born in 1969 not 1974, and the account of its development makes a little-known and perhaps instructive story.
		Pipes appeared in Unix in 1972, well after the PDP-11 version of the system was in operation, at the suggestion (or perhaps insistence) of M. McIlroy, a long-time advocate of the non-hierarchical control flow that characterizes coroutines.
		The genius of the Unix pipeline is precisely that it is constructed from the very same commands used constantly in simplex fashion.
	cm.bell-labs.com /cm/cs/who/dmr/hist.html (6213 words)

	Unix Part 1: Overview 1 (Site not responding. Last check: 2007-11-04)
		At the time UNIX was introduced, some of these features set the UNIX operating system apart from other systems available at that time.
		If the system administrator found that a particular user was performing an operation that was consuming too much computing time or dominating a system resource such as a printer, they could use the ps command to identify the offending users process and then use the kill command to terminate that process.
		When getty detects a user has turned their terminal on, it presents the logon prompt and once the password is validated, the UNIX system associates the shell program (/bin/sh) with that terminal.
	goforit.unk.edu /unix/part1_1.htm (863 words)

	TIME+ Software - Time and Attendance Software Directory
		TIME+ is a highly flexible, top-of-the-range Time and Attendance system based on a powerful multi-value database system.
		It offers multi-site, multi-user functionality and includes access control, flexitime and job tracking functions as well as time recording.
		Time Clocks which can be connected to a system is primarily
	www.softscout.com /software/Human-Resources/Time-and-Attendance/TIME.html (0 words)

	CCP4 Program Suite: unix.m4/vms.for/w32mvs.f
		The HPUX compiler is said not to have any means of doing this and AIX seems to be likewise, sigh; they both seem to obey the normal unix convention of printing the format as-is rather than obeying the first character as carriage control.
		UNIX and MVS versions check if leading VMS-style carriage control characters are obeyed for file IUN (issues of support and use are discussed in CCPOPN.
		UNIX uses fortran system call Ltime and gmtime which dissect a UNIX time into month, day, etc., either for the local time zone or as GMT.
	www.ccp4.ac.uk /dist/html/unix.html (859 words)

	Finding the elapsed time - Dev Shed
		Unix was designed as a true multi-user operating system.
		I would like to find the elapsed time(in hours and minutes) since a certain file was modified by comparing it with the system time.
		Is there an unix command that can give me this value easily?There is a command called 'tract' which can give this value easily but unfortunately Solaris and HP-UX versions am using do not have this.
	forums.devshed.com /unix-help-35/finding-the-elapsed-time-121570.html (722 words)

	Time (Unix) - Wikipedia, the free encyclopedia
		If you are looking for Unix's means of representing points in time, see Unix time.
		is a command in the Unix operating systems.
		It is used to determine the duration of execution of a particular command.
	en.wikipedia.org /wiki/Time_(Unix) (160 words)

	UNIX Time -- from Eric Weisstein's World of Astronomy
		UNIX Time -- from Eric Weisstein's World of Astronomy
		The number of seconds since 00:00:00 UTC on Jan. 1, 1970.
		This is the method of encoding time used by low-level UNIX commands via the
	scienceworld.wolfram.com /astronomy/UNIXTime.html (34 words)

	PHP: time - Manual
		Returns the current time measured in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).
		If you want to create a "rounded" time stamp, for example, to the nearest 15 minutes use this as a reference:
		Be careful about using the database clock (say UNIX_TIMESTAMP() in MySQL) and the time() function if you're writing an application that may have the database be on a different machine than the web server.
	www.php.net /manual/en/function.time.php (614 words)

	The Creation of the UNIX Operating System: For more information (Site not responding. Last check: 2007-11-04)
		On the history of UNIX in general, see:
		Seminal technical papers on UNIX at the conclusion of Dennis Ritchie's
		On using UNIX, there are many books available at book stores and libraries, such as:
	www.bell-labs.com /history/unix/moreinfo.html (117 words)

	Domain Time II: UNIX and Linux Clients
		There are many advantages to using a Domain Time II daemon instead of a standard NTP daemon such as XNTP.
		Since Domain Time is a critical system service, the evaluation version does not time out or stop operating after the evaluation period has expired.
		Slewing can take a LONG time if the correction ' is greater than a quarter second or so.
	www.greyware.com /software/domaintime/instructions/client/nix.asp (979 words)

	How to sort by time - Dev Shed
		Discuss How to sort by time in the UNIX Help forum on Dev Shed.
		How to sort by time UNIX Help forum discussing the Unix Operating System and all variants including Irix, Solarix, and AIX.
		Time spent in forums: 3 h 50 m 58 sec
	forums.devshed.com /unix-help-35/how-to-sort-by-time-303024.html (550 words)

	Modifying a JS alert....
		If you cancel your membership any time before your free trial period is over, you will not be charged.
		Within a half an hour I had the answers I have been desperately seeking.
		This site is worth every penny and if you take into consideration the time I have lost looking elsewhere it is a bargain.
	www.experts-exchange.com /Web/Web_Languages/JavaScript/Q_20616410.html (1159 words)

	Unix Web Hosting for Developers
		Dumpon Now it’s time to tell the system where to write the core dump this location is the dumpdev.
		Tell the system to use a dump device with dumpon(8), which must be set each time the system boots.
		The next time you upgrade your system or customize the kernel, this debugging kernel will be overwritten by a new debugging kernel.
	unix.devsitehosting.com (0 words)

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