Re^2: fdformat

[Alexios Chouchoulas]

On Thu, 22 Jan 1998, Christos Ricudis wrote:

> To low level format "morfopoiei" th disketa se tracks, sectors, ktl ktl (oles
> oi disketes apo to 1900 kai meta htan soft sectored).

  Tsk tsk tsk. Pws fainetai h elleipsh ektimhshs sthn texnologia. :-)
Yparxoun akoma hard-sectored disketes, kai pali kala, giati alliws den tha
mporousan na leitourghsoun ta hard-sectored floppies. :-)

  Nai yparxoun akoma POLLA tetoia, an kai oi disketes tous den
kataskevazontai pia kai oute kai ta drives. Alla oi syskeves einai oles apo
thn epoxh pou kataskevazan H/Y gia na mporoun na epizhsoun olokaftwmata,
seismous, plymmhres kai eisbolh ekswghinwn -- ara mporoun sigoura na
epizhsoun 20-25 xronakia xwris polla polla.

  <RANT TYPE="WhenWeWereYoungWeHadToBangTwoRocksTogetherToGetZeros"> Krima
pragmatika pou den mporw na pw to idio kai gia ta analwsima 3.5" drive (exw
allaksei tria pia, ena to 8" tou Terak mou doulevei xwris problhma apo to
1978). </RANT>


> na mhn ta lew kai gia ta 147 ekatommyria bytes :>.

  Prepei na exeis POLY proxwrhmenes disketes. :-)


> To idio akribws symbainei kai otan kaneis dd if=blabla of=/dev/fd0 (praktika
> den exei kammia diafora me thn cp).

  Me eksairesh to blocking pou kanei kai pou einai polytimo gia orismenes
syskeves (px tape drives).


> To BIOS omws de skampazei apo filesystems

  Sigoura. Gi'afto kai to Linux den to xrhsimopoiei pouthena para mono sto
bootstrap. :-)


> <class nhpiagwgeiou '98 closed>

  Agkou.


> Nai alla to lilo boot loader den kserei ti paei na pei arxeio, filesystem, disk
> geometry translation, klp klp. Etsi to mono poy kanei einai na paei kai na
> grafei se proka8orismenh "topo8esia" sto boot record, ta tracks kai sectors toy
> diskou sta opoia brisketai to vmlinuz, wste na mporei na to fortwsei meta mono
> me th boh8eia toy BIOS. ENNOEITAI oti ka8e fora poy ftiaxneis kainoyrio
> vmlinuz, ayto brisketai se diaforetiko meros apo to prohgoumeno.

<PEDANTIC> Gia thn akribeia, sto boot sector den xwrane tosa polla dedomena,
opote to LILO grafei ekei ena bootstrap pou ksekinaei ton eafto tou (des sto
/boot directory). Apo kei fortwnei ton pinaka tou me ta leitourgika kai ta
options kai META kanei bootstrap to antistoixo leitourgiko. To bootstrap tou
bootstrap (w booutsrap) dhladh. </PEDANTIC>


> Ta pragmatika leitoyrgika systhmata exoyn boot loaders poy mporoyn ontws na
> diabasoyn to root filesystem kai na broyn mesa s'auto to kernel.

  Me basikh diafora oti to LILO einai genikevmeno, wste na mhn eksartatai
apo opoiodhpote leitourgiko h FS gia na brei enan kernel kai na ton treksei.


> Kai ystera koitas ti eftiakses, ksernas apo thn ahdia, kai onomazeis to
> leitoyrgiko sou "SCO Unix"...

  Kai meta kathe etaireia ston kosmo to agorazei gia astronomika posa
(two-user licenses) kai ginesai plousios poulwntas ahdies kai kserasmata.
Kati mou thymizei afto... ;-)

A.

-------------------------- ,o88,o888o,,o888o. --------------------------------
Alexios Chouchoulas         '88    ,88'   ,88'   http://www.vennea.demon.co.uk 
The Unpronounceable One    ,o88oooo88ooooo88oo,     alexios at vennea.demon.co.uk

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