Xref: utzoo comp.binaries.ibm.pc:124 comp.sys.ibm.pc:9659 Path: utzoo!utgpu!water!watmath!clyde!burl!codas!mtune!whuts!picuxa!tgr From: tgr@picuxa.UUCP (Dr. Emilio Lizardo) Newsgroups: comp.binaries.ibm.pc,comp.sys.ibm.pc Subject: Re: PC Aquarium program Summary: it's not a write Message-ID: <418@picuxa.UUCP> Date: 17 Dec 87 15:30:06 GMT References: <1070@sjuvax.UUCP> <19637@amdahl.amdahl.com> <850@neoucom.UUCP> Organization: Trenton Home for the Criminally Insane Lines: 27 In article <850@neoucom.UUCP>, wtm@neoucom.UUCP (Bill Mayhew) writes: -> -> <<> -> -> Are you sure? I'll bet that it is rloading the overlay portion of -> COMMAND.COM when it exits. If you run a big program that uses all -> available memory, COMMAND.COM unloads itself. Note that eventhough -> you always are allocated the entire free memory pool when you run a -> program, COMMAND.COM only reloads when the memory it is residing in -> was actually used. -> -> Here's a way to test. Boot from a floppy. Run aquarium from a -> different floppy that does not have COMMAND.COM on it. When -> aquarium exits, see if the system prompts "INSERT DISK WITH -> COMMAND.COM". -> -> Naturally, one possibility is that the aquarium *is* a trojan. -> The only way to be sure is to whip out DEBUG and pick it apart. I ran aquarium from a write-protected floppy, and it did not give me any access errors. Can this be considered an adequate test? -- Tom Gillespie ( ...ihnp4!picuxa!tgr) | (attmail!tgillespie) (201) 952-1178 AT&T/EDS Product Integration Center 299 Jefferson Rd. Parsippany NJ 07054 "Don't take life so serious ... it ain't nohow permanent." -- Walt Kelly