What Does User Group (UG) Mean?

A user group (UG) is a community of users, often a somewhat formal club or group, where people get together to talk about a particular technology. Over the past few decades, as personal computers (PC) and other technologies have rapidly changed, the focus and scope of UGs have also changed.

Techopedia Explains User Group (UG)

The oldest user groups, dating back to the 1970s and 1980s, were generally groups of people focused on the use of non-branded emerging technologies, such as: