Page 113 - slides.dvi

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Unix
–
–
–
–
⇒
By
Case
6 th
Unix:
Best
Unix
Since
nice
easy
Study—
language
source
1978,
first
Originally
to
AT&T:
edition
then,
C
Berkeley:
known
V7
avail
(commercially)
features
port,
Standardisation
two
Introduction
⇒
written
of
(“V6”)
“System
developed
in
“BSD”,
“UNIX”
alter,
main
Introduction
available
in
efforts
Solaris,
was
V”,
other
people
(for
today
read,
PDP-7
(e.g.
1969
is
OSes
widely
currently
families:
could
at
OSF/1,
etc.
both
currently
asm,
Bell
the
rolled
POSIX,
write
IRIX,
but
probably
in
available
SVR4.
Labs
new
and
16-bit
then
linux,
X/OPEN)
(1976).
tools.
4.3BSD/4.4BSD.
promptly.
Tru64.
but
(1973)
to
PDP-11
(Thompson
also
and
&
get
the
rewritten
in
homogenise.
new
Ritchie)
the
FreeBSD,
32-bit
‘new’
NetBSD,
VAX-11).
and
109
high-level