Page 120 - slides.dvi

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•
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Unix
a)
b)
File
In
Case
Holds
Study—
kernel,
file
Owner,
Question:
Files
Location
a
System
and
on
file
the
is
size
type
Where
nlinks
userid
disk
is
meta-data:
of
Filesystem
permissions,
the
triple indirect
single indirect
double indirect
flags
timestamps (x3)
mode
groupid
direct blocks (x12)
nblocks
actual
represented
reference
by
filename
data
Implementation
a
(file
count,
kept?
data
data
data
data
etc.
to block with 512
to block with 512
single indirect entries
double indirect entries
structure
contents).
(512)
direct
blocks
called
an
data
data
data

index-node

or

i-node.
116