High Quality Content by WIKIPEDIA articles! The Tidewater Unix User`s Group. AKA TWUUG, is a local Unix/Linux User Group serving the Hampton Roads area of Virginia (the seven connected cities in southeastern VA: Norfolk, Portsmouth, Virginia Beach, Chesapeake, Suffolk, Hampton, and Newport News. The group was originally founded in 1990. All UNIX and UNIX-like operating systems are discussed, including BSD`s and Linux.