Tuesday 4 October 2011

VIRTUAL MACHINE :

Operating system: operating system (OS) is software, consisting of programs & data,  that runs on computers, manages computer hardware resources, and provides common services for execution of various application software.
 Os is the most important type of system software. Without an os, a user cant run an application program on their computer unless the application program is self booting.
 

VIRTUAL MACHINE:
Its a completely isolated guest os installation within your normal host operating system.


Definition:
A virtual machine (VM) is a software implementation of a machine that executes programs like a physical machine. 


These are of 2major categories


 System virtual machine:
   It supports the execution of a complete OS.


 Process virtual machine :
Designed  to run a single program, it supports a single process.


Advantage  of a virtual machine :
 software running inside is limited to the resources and abstractions provided by the virtual machine . it cant break out of its virtual world.
 os can also  be defined as “ efficient, isolated duplicate of a real machine”.


 Installation wizard for  vmware player :


Step1: open vmware


Step2: click next 








Step 3: click on vmware icon on desktop


Step 4: click on create a new virtual machine



Step5: browse and select os what you want to use in virtual machine


Step7: windows and fedora both at a time you can even try





DOWNLOAD VIRTUAL MACHINE

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