Figure 16 1 Target model of an OS

Figure 16. 1 Target model of an OS

Figure 16. 2 The MINOS memory map

Figure 16. 3 Block diagram, MINOS

Figure 16. 4 MINOS process dispatch

Figure 16. 5 Two processes sharing a single program

Figure 16. 6 A typical process control block

Figure 16. 7 The major process states

Figure 16. 9 Round-robin scheduling

Figure 16. 10 Multilevel feedback

Figure 16. 11 The use of overlays

Figure 16. 12 Variable partitioning of memory at three different times

Figure 16. 13 Internal and external fragmentation

Figure 16. 14 Frames and pages

Figure 16. 15 Composition of an address for paging

Figure 16. 16 The page translation process

Figure 16. 17 A Little Man page table with a large physical memory space

Figure 16. 18 Mapping for three processes

Figure 16. 19 Steps in handling a page fault

Figure 16. 19 (continued)

Figure 16. 20 Memory use with time, exhibiting locality Source: OPERATING SYSTEMS 2/E by Stallings, W. © 1995. Reprinted by permission of Prentice. Hall, Upper Saddle River, NJ.

Figure 16. 21 Frame lookup procedures: (a) page in TLB, (b) page not in TLB

Figure 16. 21 (continued)

Figure 16. 22 Internal fragmentation

Figure 16. 23 Scan scheduling algorithm Source: Copyright 1971 International Business Machines Corporation. Reprinted with permission from IBM Systems Journal, Vol. 10, No 3.

Figure 16. 24 Comparison of different disk algorithms. Source: A. Silberschatz/ J. Petterson/ P. Galvin, Operating Systems Concepts, Fifth Edition. © 1998 by John Wiley and Sons, Inc. Reprinted by permission of John Wiley & Sons, Inc.

Figure 16. 24 (continued)

Figure 16. 25 The access for a networked operating system

Figure 16. 26 A familiar deadlock situation

Figure 16. 27 Java virtual machine