kniha k BSD

[Martin Machacek]

On 23-Sep-98 Jan Pechanec wrote:
>       prosim vas, nemate nekdo knihu "The Design and Implementation of
> the 4.4 BSD Unix OS" (autor myslim Leffler) a pokud ano, nepujcil byste mi
> ji na par dni (pripadne knihu primo k FreeBSD?).

Mame tu jednu firemni, ale bohuzel ti ji nemohu zapujcit. Jo, a napsal ji
McKusick, Bostic, Karels a Quarterman.

>       Knihu ke 4.3 jsem videl, jde mi o 4.4. Nebo alespon, nevite, zda
> se zmenila implementace filesystemu od 4.3 k 4.4? (nebo jeste navic smerem
> k FreeBSD?) - o nic jineho mi nejde nez o fs a pokud by to slo, nerad bych
> implementaci zjistoval ze zdrojaku.

Implementace filesystemu (tedy FFS) se (IMHO) nezmenila uz od 4.2 BSD. Podivej
se:

martin at woody:~> uname -a
FreeBSD woody.i.cz 3.0-CURRENT FreeBSD 3.0-CURRENT #0: Thu Sep  3 17:15:33 MET
DST 1998     martin at woody.i.cz:/usr/src/sys/compile/MARTIN  i386
martin at woody:~> disklabel sd0 | tail -5
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:   102400        0    4.2BSD        0     0     0   # (Cyl.    0 - 6*)
                          ^^^^^^
  b:   262144   102400      swap                        # (Cyl.    6*- 22*)
  c:  4406960        0    unused        0     0         # (Cyl.    0 - 274*)
  e:  4042416   364544    4.2BSD        0     0     0   # (Cyl.   22*- 274*)

a potvrzuje to i sekce History manualove stranky fs(5), ktera rika:


History     3
        A super-block structure named filsys appeared in Version 6 AT&T UNIX.
        The file system described in this manual appeared in 4.2BSD.



        Martin Machacek

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