To install Flash Player for Ubuntu:
# sudo apt-get install flashplugin-installer
To get the version info:
# dpkg -s flashplugin-installer
Package: flashplugin-installer
Status: install ok installed
Priority: optional
Section: contrib/web
Installed-Size: 136
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: i386
Multi-Arch: foreign
Source: flashplugin-nonfree
Version: 11.2.202.261ubuntu0.12.10.1
Or you can check it with your browser:
about:plugins
