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Article #447

Re: Dream OS

#447
From: Alan Cox
Date: Thu, 03 Aug 1995 17:53
27 lines
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In article <3vqvh9$9c6@nyheter.chalmers.se> Martin Nisshagen <d4nisse> writes:
>runs in onother process with higher priority. In thread-libs then scheduling
>of the threads are done seperatly within each own process, this is not possible.
>Having kernel threads also lets You easily implement an efficient way of using
>several CPU:s in an SMP machine without adding too much system overhead.
>
>Besides this the Amiga also lacks the possibilty to handle realtime=03like
>prcosses in an efficient way. Both Solaris, NT and VMS has much better
>support for this.

The amiga is both threaded (a process is just a glorified thread and almost
everything is but a thread) and has hard priorities.

>security, all of this OS:es also includes very stable journal based
>filesystems who tracks all transactions in the OS. It's almost
>impossible to corrupt this filesystems!

Journal based file systems merely make it slightly harder to corrupt. They
make it much faster to check on a restart after a crash.

Alan

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Newsgroups: comp.sys.powerpc,comp.os.linux.advocacy,comp.sys.mac.advocacy,comp.os.os2.advocacy,comp.sys.amiga.advocacy,comp.sys.intel,alt.2600,alt.destroy
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From: iialan@iifeak.swan.ac.uk (Alan Cox)
Subject: Re: Dream OS
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Date: Thu, 3 Aug 1995 17:53:03 GMT