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Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!hp4nl!dnlunx!dnlts!bergeop
From: bergeop@pttrnl.nl
Newsgroups: comp.sys.amiga,comp.sys.amiga.tech
Subject: Re: Hidden AmigaDOS files?
Message-ID: <61354.275a6513@pttrnl.nl>
Date: 3 Dec 90 13:45:39 GMT
References: <1990Nov13.182903.20247@qut.edu.au> <1990Nov15.143850.18734@phoenix.pub.uu.oz.au>
Organization: PTT Research Neher Laboratories, The Netherlands
Lines: 50

88In article <1990Nov15.143850.18734@phoenix.pub.uu.oz.au>, static@phoenix.pub.uu.oz.au (geoff c wing) writes:
> 

87
In <1990Nov13.182903.20247@qut.edu.au> inb300campbe@qut.edu.au writes:
> 
>>Does anybody know how to make files invisible in AmigaDOS?
> 
>>I have seen hidden directories created on a floppy which you can CD into but
>>don't show up in a DIR listing, but is it possible under FFS?  HOW?
> 
>>  -- David Campbell
> 
>>inb300campbe@redgum.qut.edu.au
> 
> Yeah, sure, it's easy, although you'll need a disk editor of some kind. What you
> do is create a bad hash, somewhere early up, ie.low hash number. Hash numbers go
> from 6 - 77. OK., first create a file that you won't use, say 0 bytes long, and
> find out what its hash number is. Then delete its block #(remember it) from the 
> hash table in the root block or directory block, or go find it in a hash chain
> somewhere and delete it from there. Make sure you remember it. Now back to the
> root block or directory block you want to stuff up, find the first file in the
> hash table, follow the hash chain until you get to the end one and put the block
> number you've remembered onto the hash chain word(long word 124). If you don't
> understand this then you shouldn't even consider attempting it.
> -- 
> 	+---------------------------------+       _  _ _ _  __
> 	|	     Geoff		//|   /\  |\/|  |  / _   /\
> 	| static@phoenix.pub.uu.oz.au \X/ |  //\\ |  | _|_ \__| //\\
> 	+---------------------------------+















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