Page 91 - slides.dvi

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3.
–
1.
2.
File
What
All
Operating
–
–
–
–
–
Can
a
is
Basic
a
Internal
None
Systems
Typically
lines
Simple
fixed
—
Complex
file?
operating
variable
simulate
Files
(e.g.
Concept
question
formatted
and
relocatable
record
length
of
2,3
program(mer).
abstraction
structure:
File
comprises
length
system
for
a
who
structures
with
object
sequence
Meta-data
document
of
file
structures
byte
single
decides:
words,
non-volatile
sequence
contiguous
bytes)
by
storage.
logical
inserting
address
appropriate
space.
control

characters.

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