The Internet Adapter (TIA) was software created by Cyberspace Development in 1993 to allow Serial Line Internet Protocol (SLIP) connections over a shell account. Point-to-Point Protocol (PPP) was added in 1995, by which time the software was marketed and sold by Intermind of Seattle.
The Internet Adapter (TIA) was a software program created in 1993 to facilitate SLIP connections through a shell account.  By 1995, the software had been commercialized by Intermind of Seattle and included Point-to-Point Protocol (PPP).