JURNAL DASI ISSN: 1411-3201 Vol. 10 No. 1 Maret 2009 MEMBANGUN APLIKASI CHATING BERBASIS MULTIUSER Roni Setiawan 1 dan Edhy Sutanta 2 1, 2 Jurusan Teknik Informatika, Fakultas Teknologi Industri, IST AKPRIND Yogyakarta Email: edhy_sst@yahoo.com Abstract The rapid development of information technology especially of computer technology has many benefits in many areas of human life. Variety and computer software capabilities developed rapidly and increase the value of the benefits of computer technology. Currently has available several applications software for communication between users in a network. To support the success of the utilization of a local computer network needed an application that can be used for communication between users in the form of text in which the network can be shared. This research has developed a chat application that is different from what is available so far, for communications services between users who are in a local network. Applications built using Visual Basic 6.0 programming language. Chat feature can use by everyone and private, also facilities to send files that can be operated in a multi-user. Keywords: aplikasi chating, multiuser, Visual Basic 6.0 Pendahuluan Teknologi informasi yang tak pernah mundur dalam perjalanannya selalu menghadirkan kemudahan baru bagi umat manusia, termasuk bidang jaringan komputer. Jaringan komputer bukanlah sesuatu yang baru saat ini, hampir di setiap instansi terdapat jaringan komputer untuk memperlancar arus informasi di dalam instansi tersebut. Jaringan komputer adalah sebuah kumpulan