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* Virtual Machine Monitor, software which virtualizes a computer hardware platform, allowing multiple system images to run simultaneously.
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Virtual and Machine
When a Java technology-enabled web browser processes a page that contains an applet, the applet's code is transferred to the client's system and executed by the browser's Java Virtual Machine ( JVM ).
Such a description language can be based on any computer programming language, such as Lisp, Pascal, or Java Virtual Machine bytecode.
; Armed Bear Common Lisp: A CL implementation that runs on the Java Virtual Machine.
* VMKit part of Low Level Virtual Machine toolkit as of version 2. 3.
Java applets can run in a Web browser using a Java Virtual Machine ( JVM ), or in Sun's AppletViewer, a stand-alone tool for testing applets.
* HotSpot, a Java Virtual Machine from Oracle
Java applications are typically compiled to bytecode ( class file ) that can run on any Java Virtual Machine ( JVM ) regardless of computer architecture.
* Virtual Machine Image-cloud users can upload a machine image of their own with MySQL installed, or use a ready-made machine image with an optimized installation of MySQL on it, such as the one provided by Amazon EC2.
This term is applied both generically to all such machines ( such as the Java Virtual Machine and MATLAB precompiled code ), and to specific implementations, the most famous being the p-Machine of the Pascal-P system, particularly the UCSD Pascal implementation.
Unlike other stack-based environments ( such as Forth and the Java Virtual Machine ) the p-System has only one stack shared by procedure stack frames ( providing return address, etc.
* Google App Inventor for Android uses Scheme, where Kawa is used to compile the Scheme code down to byte-codes for the Java Virtual Machine running on Android devices.
While Swing components do implement the Serializable interface, they are not portable between different versions of the Java Virtual Machine.
* A Cosmology for a Different Computer Universe: Data Model, Mechanisms, Virtual Machine and Visualization Infrastructure.
* Virtual Enigma Machine
Examples are PVM ( Parallel Virtual Machine ) and MPI ( Message Passing Interface ).
* Baan Bshell Virtual Machine, Baan 4GL
* Java Virtual Machine, Java, Nice, NetRexx, Scala, Groovy, Clojure, JRuby
* Low Level Virtual Machine ( LLVM ), currently C, C ++, Stacker
It also supports VMware, Parallels and Microsoft Virtual Machine Disk Format.
* libJIT Just-In-Time Compilation library is a library for development of advanced Just-in-time compilation ( JIT ) in Virtual Machine implementations, Dynamic programming languages, and Scripting languages.
* Software Portability by Virtual Machine Emulation by Stefan Vorkoetter
A Java Virtual Machine was previously available for the Palm OS platform, however on 2008-01-12, Palm, Inc. announced that it would no longer be available.
Palm, Inc. further said " There is no alternate Java Virtual Machine that we are aware of for Palm OS.
Minter also produced the Virtual Light Machine ( VLM-1 ) for the Jaguar CD-ROM add-on.
Virtual and Monitor
A hard disk image is interpreted by a Virtual Machine Monitor as a system hard disk drive.
There are two schemes predominant across all Virtual Machine Monitor implementations:
Several Virtual Machine Monitor implementations initialize the storage with zeros before providing it to the virtual machine that is in operation.
; Physical mode: In this mode, also called the pass through mode, the Virtual Machine Monitor bypasses the I / O virtualization layer and passes all I / O commands directly to the device.
* OpenLDAP Version 2. 1, released in June 2002, included the transactional database backend ( based on Berkeley Database or BDB ), Simple Authentication and Security Layer ( SASL ) support, and Meta, Monitor, and Virtual experimental backends.
* Merge ( software ), a ' Virtual Machine Monitor ' computer package for running MS-DOS or Windows 9x on x86 processors under UNIX
Virtual and software
More recently, software with similar capabilities has been developed to allow manipulation of digital audio files stored on computers using turntables with special vinyl records ( e. g. Final Scratch, M-Audio Torq, Serato Scratch Live ) or computer interface ( e. g. Traktor DJ Studio, Mixxx, Virtual DJ ).
Virtual Case File, or VCF, as the software was known, was plagued by poorly defined goals, and repeated changes in management.
It is also developing software projects, IT systems for the future martian habitat, with a Virtual Mars Base and remote access.
* Virtual Software Systems ( Provides software to allow concurrent testing of TPF programs by several programmers under VM )
By now, several other software packages such as Virtual PC, VirtualBox, Parallels Workstation and Virtual Iron manage to implement virtualization on x86 hardware.
Virtual machines can also perform the role of an emulator, allowing software applications and operating systems written for another computer processor architecture to be run.
; HP-UX 11i v3 Virtualization Server OE ( VSE-OE ): Delivers everything in BOE plus GlancePlus performance analysis and software mirroring, and all Virtual Server Environment software which includes virtual partitions, virtual machines, workload management, capacity advisor and applications.
The ADB Virtual Gateway uses software that resides within the middleware and is based on open standards, including DLNA home networking and the DTCP-IP standard, to ensure that all content, including paid-for encrypted content like Pay TV services, can only be accessed by secure CE devices.
This enables the same executable binary to run on all systems, supporting the Java software, through the use of a Java Virtual Machine.
Java source code is " compiled " to an intermediate-language bytecode which is then interpreted by an interpreter, the Java Virtual Machine ( JVM ), which then interfaces that program with the Java software libraries.
Virtual hard disks are often used in on the fly disk encryption (" OTFE ") software such as FreeOTFE and TrueCrypt, where an encrypted " image " of a disk is stored on the PC.
MeikOS was used in conjunction with the M²VCS ( Meiko Multiple Virtual Computing Surfaces ) resource management software which partitioned the processors of a Computing Surface into domains, managed user access to these domains, and provided inter-domain communication.
Amongst the earliest successful software synthesizers were the S-YXG series from YAMAHA and the Virtual Sound Canvas by Roland under the name EDIROL.
* Authorized Steinway Virtual Concert Grand Piano, a sample-based software instrument
The Parallel Virtual Machine ( PVM ) is a software tool for parallel networking of computers.
Virtual presence is a social software in the sense that people meet on the web by chance or intentionally.
In June 2001 the Federal Bureau of Investigation ( FBI ) paid SAIC $ 122 million to create a Virtual Case File ( VCF ) software system to speed up the sharing of information among agents.
* Virtual Rendezvous, an open software project
Since the Tablet is primarily business-oriented, it includes features for security, such as anti-theft software, the ability to remotely disable the tablet, SD card encryption, layered data encryption, and Cisco Virtual Private Network ( VPN ).
To extract the contents of a JAR file users can use any standard unzip software, or the command which comes with every Java Virtual Machine: "".
It is produced by Heroine Virtual, and is free software distributed under the GNU General Public License.
* Virtual Audio Cable, software to map audio from one application to another
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