VECTOR
GRAPmC,
INC.
Review
To review
the
file
structure
of Vector 4 CP 1M:
VU-16
• A
~
is represented
by
each entry displayed on screen
by
the disk
directory (when you
enter
the
command
DIR[RETURND.
•
Each
file
is
made up
of
at
least
one extent, which can contain
up
to
128
records
ot 128
bytes
each.
(Total
bytes
per
extent
=
16,384.)
•
Each
extent
may
take
up no more
than
8 allocation units of the
disk
surf ace.
•
The
location
of
allocation unites), extent(s), and file name for each
file is stored in a File
Control Block or FCB.
•
All
this
information
is
handled
by the operating system;
you
need
only use the name of the file.
7100-0001
9-01-82
- Rev. A
To Next Page
Loading...