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Index Uptime

Uptime is a measure of the time a machine, typically a computer, has been working and available. [1]

33 relations: Availability, Berkeley Software Distribution, Booting, Cmd.exe, Computer, Crash (computing), Downtime, FreeBSD, Hibernation (computing), Linux, List of Unix commands, Machine, MacOS, Maintenance window, Measurement, Netcraft, Novell, OpenVMS, Operating system, Screenshot, Sleep mode, System profiler, System time, Task Manager (Windows), Web hosting service, Website monitoring, Who (Unix), Windows 7, Windows 8, Windows Management Instrumentation, Windows Server 2003, Windows Vista, Windows Vista editions.


In reliability theory and reliability engineering, the term availability has the following meanings.

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Berkeley Software Distribution

Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.

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In computing, booting is starting up a computer or computer appliance until it can be used.

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Command Prompt, also known as cmd.exe or cmd (after its executable file name), is the command-line interpreter on Windows NT, Windows CE, OS/2 and eComStation operating systems.

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A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Crash (computing)

In computing, a crash (or system crash) occurs when a computer program, such as a software application or an operating system, stops functioning properly and exits.

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The term downtime is used to refer to periods when a system is unavailable.

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FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).

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Hibernation (computing)

Hibernation (or suspend to disk) in computing is powering down a computer while retaining its state.

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Linux is a family of free and open-source software operating systems built around the Linux kernel.

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List of Unix commands

This is a list of Unix commands as specified by IEEE Std 1003.1-2008, which is part of the Single UNIX Specification (SUS).

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A machine uses power to apply forces and control movement to perform an intended action.

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macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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Maintenance window

In information technology and systems management, a maintenance window is a period of time designated in advance by the technical staff, during which preventive maintenance that could cause disruption of service may be performed.

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Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events.

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Netcraft is an Internet services company based in Bath, England.

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Novell, Inc. was a software and services company headquartered in Provo, Utah.

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OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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A screenshot (or screen grab) is a digital image of what should be visible on a monitor, television, or other visual output device.

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Sleep mode

Sleep mode is a low power mode for electronic devices such as computers, televisions, and remote controlled devices.

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System profiler

A system profiler is a program that can provide detailed information about the software installed and hardware attached to a computer.

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System time

In computer science and computer programming, system time represents a computer system's notion of the passing of time.

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Task Manager (Windows)

Task Manager, previously known as Windows Task Manager, is a task manager, system monitor, and startup manager included with Microsoft Windows systems.

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Web hosting service

A web hosting service is a type of Internet hosting service that allows individuals and organizations to make their website accessible via the World Wide Web.

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Website monitoring

Website monitoring is the process of testing and verifying that end-users can interact with a website or web application as expected.

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Who (Unix)

The standard Unix command who displays a list of users who are currently logged into the computer.

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Windows 7

Windows 7 (codenamed Vienna, formerly Blackcomb) is a personal computer operating system developed by Microsoft.

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Windows 8

Windows 8 is a personal computer operating system developed by Microsoft as part of the Windows NT family of operating systems.

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Windows Management Instrumentation

Windows Management Instrumentation (WMI) consists of a set of extensions to the Windows Driver Model that provides an operating system interface through which instrumented components provide information and notification.

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Windows Server 2003

Windows Server 2003 is a server operating system produced by Microsoft and released on April 24, 2003.

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Windows Vista

Windows Vista (codenamed Longhorn) is an operating system by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs.

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Windows Vista editions

Windows Vista—a major release of the Microsoft Windows operating system—was available in six different product editions: Starter; Home Basic; Home Premium; Business; Enterprise; and Ultimate.

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[1] https://en.wikipedia.org/wiki/Uptime

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