一、屏幕共享概念：n屏幕共享，英文叫做DesktopSharing，维基百科里是这样定义的：nnDesktop sharing is a common name for technologies and products thatnallow remote access and remote collaboration on a person’s computerndesktop through ...
PingInfoView is a small utility that allows you to easily ping multiple
host names and IP addresses, and watch the result in one table. It
automatically ping to all hosts every number of seconds that you specify,
and displays the number of succeed and failed pings, as well as the
average ping time. You can also save the ping result into text/html/xml
file, or copy it to the clipboard.