Page 90 - slides.dvi
P. 90
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File
Filing
Operating
Storage
maps
Systems
Directory
handles
—
includes
provides
systems
from
Filing
Service
have
access
Service
means
Systems
&
Management
names
to
two
mechanism
to
filing system
user space
I/O subsystem
to
main
file
existence
text name
store
implement
Service
Directory
data
control
identifiers.
user file-id
on
components:
directory
disk
Disk Handler
service
Storage Service
from file
information requested
86