Internet in the United States Internet in the United States The Internet in the United States grew out of the ARPANET, a network sponsored by the Advanced Research Projects Agency of the U.S. Department of Defense during the 1960s. The Internet in the United States in turn provided the foundation for the worldwide Internet of today. Internet access in the United States is largely provided by the private sector and is available in a variety of forms, using a variety of technologies, at a wide range of speeds and costs. In 2015, 97.5% of Americans were using the Internet, which ranks the U.S. 4th out
SDF Public Access Unix System 2001. As of April 28, 2016, SDF was composed of 47,572 users from around the world. SDF users include engineers, computer programmers, students, artists and professionals. SDF Public Access Unix System Super Dimension Fortress (SDF, also known as freeshell.org) is a non-profit public access UNIX shell provider on the Internet. It has been in continual operation since 1987 as a non-profit social club. The name is derived from the Japanese anime series "The Super Dimension Fortress Macross"; the original SDF server was a BBS for anime fans. From its BBS roots, which have been well documented as part of the