Re: Anti-virus
From: Molchun (molchun_at_REMOVEbluerealm.co.uk)
Date: 01/29/04
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Date: Thu, 29 Jan 2004 12:48:20 +0000
Harry Phillips wrote:
> Fred Emmott wrote:
>>>These are defragmentation and anti-virus programs. Can anyone
>>>tell me why there is no need for these in Linux?
>>>Thanks.
>>>Randy
>>
>>
>> Defragmentation - the standard linux filesystems don't get fragments,
>> therefore no need to defragment
>>
>
> As I understand it the different operating systems work this way:
>
> Windows:
> 1. Looks for the next available free space.
> 2. Saves as much of the file as possible.
> 3. Has file finished? No, goto 1.
No.
> Linux:
> 1. Looks for the next available free space large enough to hold the
> entire file.
> 2. Saves the file.
And no again :). Read my post to the OP.
> Can anyone confirm for me that Linux will then read the file back and
> compare the one in memory and the one read back to see if the disk has
> any bad sectors?
No. You check for bad blocks with (suprise!) "badblocks" which is
automatically called by mke2fs (or other) with the -c switch.
> Is that why you don't need to run the equiv of
> "Scandisk"?
What does that do? If you tell me what it does I'll give you the equivalent.
But my guess would be it's "fsck" :) and you DO need to run it if there is
no journal, well it's actually done for you so you don't have to worry.
-- Jabber: molchun@jabber.org PGP ID: 0x304563A8
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