Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!jarthur!nntp-server.caltech.edu!rknop From: rknop@nntp-server.caltech.edu (Robert Andrew Knop) Newsgroups: comp.sys.cbm Subject: Re: What is an .sda file? Message-ID: <1991Jan26.061218.1011@nntp-server.caltech.edu> Date: 26 Jan 91 06:12:18 GMT References: Organization: California Institute of Technology, Pasadena Lines: 17 tjlee@iastate.edu (Tom Lee) writes: > I'm trying to retrieve some files from Milton via FTP, and I've run >across .sda files. What do I do with these, does somebody know? I've used >Kermit to download them to my C64, and ARC appears to be looking for .arc >files. .SDA files are Self Dissolving Archives. The are ARC's with an "SDA header" on the front. What this means is that the one .SDA file contains one or more files crunched and archived together with ARC. To dissolve it, all you have to do is load it into your computer like a normal program and run it: it will automatically dissolve itself. .SFX files are a similar concept, only created with a different archive program. -Rob Knop rknop@tybalt.caltech.edu