Lar Kaufman is a documentation consultant living in Concord, Massachusetts. He began writing about UNIX in 1983 and since then has written on System V, BSD, Mach, OSF/1, and now Linux. His hobbies include interactive media as art/literature, homebuilt and antique aircraft (he's a licensed aircraft mechanic), and natural history. Formerly a BBS operator, in 1987 Lar founded the Fidonet echoes (newsgroups) Biosphere and BioNews. He is currently leading a project to establish a global biological conservation network, using a Linux host as the mail, news, and file server.