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1.
2.
3.
Layered File System
4.
A Typical File
Control Block
5.
6.
In-Memory File System
Structures
7.
8.
Schematic View of
Virtual File System
9.
10.
11.
12.
Contiguous Allocation of
Disk Space
13.
14.
15.
16.
Linked Allocation
17.
File-Allocation Table
18.
19.
Example of Indexed
Allocation
20.
21.
22.
23.
Indexed Allocation –
Mapping (Cont.) outer-index index table file
24.
Combined Scheme:
UNIX (4K bytes per block)
25.
26.
27.
28.
Linked Free Space
List on Disk
29.
30.
Various Disk-Caching Locations
31.
32.
I/O Without a
Unified Buffer Cache
33.
34.
I/O Using a
Unified Buffer Cache
35.
36.
37.
38.
39.
40.
Three Independent File
Systems
41.
Mounting in NFS
Mounts Cascading mounts
42.
43.
44.
45.
Schematic View of
NFS Architecture
46.
47.
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