--- [EMAIL PROTECTED] wrote:
> I suppose TSR = Terminate (but) Stay Resident
Terminate and Stay Resident
> 1. Does this mean , that once I switch my machine
> that is running a TSR , the TSR is
> gone ?
> I guess that for all programs , a shutdown or
> poweroff , stops the process.
True.
> 2. One of my friends said that if a TSR hits the
> machine , you might have to
> re-format the disk ! I dis-agree with him , because
> after all the TSR is a process ,
> and as I already suggested a shutdown or poweroff
> will abruptly terminate it .
Yep. Like Suresh said, he must be talking of some boot
sector virus or something. But there are virus
scanners always...
> Maybe because it writes itself into the Interrupt
> Vector Table , but a poweroff
> prevents that too , doesn't it ?
Yes, the IVT is also wiped off when you power off.
> 3. Till date I believe that Unix/Linux - based
> machines do not support TSRs , am I
> right ?
They actually support something better - daemons and
background processes - which can do all that a TSR can
do + much more. If you've written a TSR before, you'll
understand those complicated restrictions...
> I reason that since the header file from
> which TSRs take all their functions
> , id the dos.h you can't have TSRs on Unixes.
Not really. You can.
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