what he claimed was the hate-mail campaign launched against him by Katz. See also List of archive formats References External links ARC file format description ARC — free software Linux/Unix port of the .arc compression program nomarch — another free software .arc compression program for Linux/Unix — A documentary by Jason Scott that discusses ARC history, in the context of BBS, with notes: "CONTROVERSY: LAWSUITS: SEA vs. PKWARE" Archive formats 1985 software