As @Klaus already mentioned in his comment, the correct file name for the initialization file is
~/.vimrc. The file
~/.virc is not loaded at all.
You can check the loaded files by executing the command
Also the matchit plugin is an optional plugin. The path to it contains
" matchit is optional ^^^
So you need
BTW: If the path to a plugin contains
start instead of
opt it would be enabled by default. AFAIK the default Vim contains no plugin that is enabled by default. This might be different for binary distributions/packages build by third parties.