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ΕΑΠ 11 Β - Λειτουργικα συστηματα 1

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  • E pi A pi pi pi

    I

    A T

    A T

    Tfi B'Tfi B'

  • I

  • pi

    piHPOOPIKH

    APXE TEXNOOIA OIMIKOY

    B'

    I

    K T M H/Y pi

    ATPA 2001

  • pi

    pi

    HPOOPIKH

    APXE TEXNOOIA OIMIKOY

    B'

    EITOYPIKA YTHMATA I

    AYO YPAKH

    K T M H/Y pi

    AANAIO XATZHAKO

    Api. K T

    E A pi

    pi pi pi

    ANAITH INTEA

    T M pi

    pi pi pi pi

    HIA TAYPOOYO

    pi

    IANNH AANOOYO

    pi

    pi, pi

    TYPORAMA

    pi pi pi

    / 19972001

    ISBN: 9605383330

    K : H 11/2

    Copyright 2000

    pi & , 26222 : (0610) 314094, 314206 : (0610) 317244

    . 2121/1993, pi pipi

    pi pipi .

  • fi

    ............................................................................................................................................................................. 11

    K pi 1

    : fi

    pi, pi, , ............... 13

    1.1 .............................................................................................................................................. 15

    1.2 ................................................................................... 16

    1.3 .................... 18

    1.3.1 (1940) .......................................................................................................... 18

    1.3.2 pi (1950 1960) .............................................................................................. 18

    1.3.3 (1959 1965) .......................................................................................... 20

    1.3.4 (1965 1980) ................................................................................................. 20

    1.3.5 (1980 1990) .......................................................................................... 21

    1.3.6 pipi (1990 ) ..................................................................................... 22

    ................................................................................................................................................................................... 23

    ......................................................................................................................................... 23

    .................................................................................................................................................. 24

    K pi 2

    pi, pi, , ............... 25

    2.1 ............................................................................................................................................................. 27

    2.2 ...................................................................................................................... 27

    2.3 pi .............................................................................................. 28

    2.3.1 ........................................................................................................ 28

    2.3.2 pi 20 .................................................................................. 29

    2.4 pi .............................................................................................................. 31

  • 6 E I T O Y P I K A Y T H M ATA I

    2.5 pi ............................................................................................................................. 33

    2.5.1 pi pi ................................................................................................................................ 34

    2.5.2 pi .................................................................................................................... 35

    2.6 pi .............................................................................. 37

    ................................................................................................................................................................................... 38

    ......................................................................................................................................... 39

    .................................................................................................................................................. 40

    K pi 3

    fi

    pi, pi, , ............... 41

    3.1 ................................................................................................................................................................. 44

    3.2 pi ........................................................................................................................ 44

    3.3 ........................................................................................................................... 45

    3.4 pi ........................................................................................................................................ 47

    3.5 pi pi ............................................ 48

    3.6 pi .............................................................................................................................. 56

    3.7 (pi ) ........................................... 57

    3.7.1 pi ........................................................................................................ 57

    3.7.2 (Semaphores) ....................................................................................................... 58

    3.7.3 pi pi ................................................ 60

    3.7.4 pi pi ....................................................................................... 65

    3.7.5 pi .............................. 75

    3.7.6 pi V hardware ............................................................................... 76

    3.7.7 ................................................................................................. 79

    3.8 pi .......................................................... 79

    3.9 pi ................................................ 80

    3.9.1 pi (The Bakery Algorithm) ............. 81

  • ................................................................................................................................................................................... 83

    ......................................................................................................................................... 85

    .................................................................................................................................................. 85

    K pi 4

    (Memory Management)

    pi, pi, , ............... 87

    4.1 (Preliminaries) ................................................................................................................. 92

    4.2 (Bare machine) .......................................................................................................... 96

    4.3 pipi (Resident Monitor) ................................................................................ 98

    4.3.1 pi (Protection Hardware) ................................................................ 98

    4.3.2 pi (Relocation) ..................................................................................................... 100

    4.4 (Swapping) ........................................................................................................................... 103

    4.4.1 pi (Backing Store) ............................................................................ 103

    4.4.2 (Swap Time) ................................................................................... 104

    4.4.3 pipi (Overlapped Swapping) ................................... 105

    4.5 pi pi (Multiple Partitions) ......................................... 108

    4.5.1 pi ....................................................................................................................... 109

    4.5.2 pi (Fixed Regions) ............................................................................. 111

    4.5.3 (Memory Fragmentation) .................................................. 118

    4.5.4 (Variable Partitions) ...................................................... 119

    4.5.5 pi (Compaction) ........................................................................................................ 125

    4.6 pi (Paging) ............................................................................................................... 128

    4.6.1 (Hardware) ....................................................................................................................... 129

    4.6.2 ................................................................................. 132

    4.6.3 pi pi ..................................................................................... 135

    4.6.4 ............................................................................................................................... 138

    4.6.5 ......................................................................................................................................... 138

    7EP I E XOMENA

  • 8 E I T O Y P I K A Y T H M ATA I

    4.6.6 (Two Views of Memory) ............................... 141

    4.7 pi (Segmentation) .................................................................................................. 143

    4.7.1 pi ................................................................... 143