Gia ton kernel kai tous dhmiourgous tou

[Giorgos Keramidas]

On 2005-04-06 18:37, Tsoukas Evangelos <tsoukase at gmail.com> wrote:
> O Linux kernel apoteleitai apokleistika apo Device Drivers, Tables
> (Kernel Data Structures) kai System Calls/IRQ-routines (kallountai apo
> ton kernel se entolh tou idiou h mias efarmoghs kai allazoun
> kataxorhseis ton tables).

> Table:                                Device Driver:
> Process (Task) Table                  -
> Memory Page Table                     Memory/CPU DD ?
>    Other Memory Tables (swap...)
> File System Table (onDisk)            DiskDD
>    Virtual File System
> Network Table(s)                      Network DD
> Device Tables (IRQs...)               Periph.DDs
> Other Tables...                       Other DD...
>
> Einai ontos etsi?

Oxi akribws ;-)

Hint: uparxoun kai kalyteres domes apo pinakes.

> To fsck prepei na elegxei mono R-only mounted FS. Pos omos mporei na
> diorthosei pithano lathos pou tha entopisei?

To file system einai *MOUNTED* se read-only mode.  Pou shmainei oti to
VFS layer arneitai kathgorhmatika na kanei otidhpote tha ephreaze ta
periexomena tou partition.  Ara oles oi efarmoges pou xrhsimopoioun thn
"kanonikh odo" prospelashs twn disk blocks (meso enos "file system") den
mporoun na grapsoun tipota.

To fsck den xrhsimopoiei "file names", "paths" kai alla tetoia omws.
Anoigei xyma to character device tou diskou/partition kai kanei seek
mesa se auto, opote afou prosperna to VFS layer den ufistatai read-only
periorismos.

> An ektelousame 1 entolh/sec tha thelame 63,5 xronia gia na kanoume th
> douleia 1sec tou Pentium 2GHz. Etsi px to zeugos swapper/scheduler
> kaleitai gia liga lepta kathe 7 mhnes! Etsi mporei na eksighthei
> aploika pos leitourgei apodotika to systhma?

Non sequitur.  To proto pragma pou les, me kamia dunamh den yponoei h
den exei ws apotelesma to deutero.

> Gnorizoume tous kataskeuastes tou Linux kai genika tou Open Source
> Software: poioi kai apo pou einai, ti trone, pos gamane ktl. Etsi
> gnorizoume h mporoume na problepsoume pano kato kai th fysh ton
> proionton tous. Exete mathei pote kati gia enan programmatisth ths
> SONY akoma kai ton MsWindows? Exete dei pote mynhma lathous "Ooops" se
> emporikh syskeuh, px sto plynthrio sas?

Ti nomizeis oti einai oi mple o8ones?  AKRIBWS auto einai :-)