Virtualization software and Virtual Machine

what is virtualization software ?
It is a software which provides a platform to run VM's ,it is installed on a host OS and required to run vm.
eg-Vmware,Virtualbox.
what is virtual machine?
It is an os which is locally installed in our virtualbox- (kali linux-.ova file) or through windows virtual machine download option(alternative-.iso image file) for windows.
Benefits of installing VM ?
1-it consumes less space and once you closed the vm your space is free.
2-in case you made some mistakes or your vm get's corrupted it will not harm your host OS(Primary).
3-The allocation of RAM and processor is decided by user.
4-NAT network allows us to use internet inside the vm.
5-Snapshot feature helps in troubleshooting.
Virtualbox-
1-it is open source software provided by Oracle.
2-Grant all permissions.
3-installation= new file option-name the file-choose the option(32/64 bit system)-double click on your .ova file(in case of kali linux)set up the ram size,processor and ip address through storage and network module.



