OSSelector.pdf

User's Guide

OS Selector 8.0

Compute with confidence

www.acronis.com

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Table of Contents

A BOUT T HIS G UIDE ............................................................................................ 9

C HAPTER 1. I NTRODUCTION ......................................................................... 11

1.1 A CRONIS OS S ELECTOR AS A B OOT M ANAGER ............................ 11

1.2 A CRONIS OS S ELECTOR AS A P ARTITION M ANAGER .................... 12

1.3 A CRONIS OS S ELECTOR K EY F EATURES ...................................... 12

1.4 M AIN D ISK A DMINISTRATOR FEATURES ....................................... 13

1.5 A CRONIS OS S ELECTOR S YSTEM R EQUIREMENTS ........................ 14

1.6 H OW DOES A CRONIS OS S ELECTOR F UNCTION ? .......................... 15

1.7 W HAT IS A B OOT C ONTEXT ? ......................................................... 15

C HAPTER 2. B ASIC I NFORMATION ................................................................ 17

2.1 W HAT IS A H ARD D ISK ? ................................................................ 17

2.1.1 H ARD D ISK A RCHITECTURE ..................................................................... 17

2.1.2 H OW DOES H ARD D ISK W ORK ? ................................................................ 17

2.2 H ARD D ISK F ORMATTING ............................................................. 18

2.2.1 P HYSICAL F ORMATTING ........................................................................... 18

2.2.2 L OGICAL F ORMATTING ............................................................................. 18

2.3 F ILE S YSTEMS ................................................................................ 19

2.3.1 FAT16...................................................................................................... 19

2.3.2 FAT32...................................................................................................... 20

2.3.3 NTFS........................................................................................................ 20

2.3.4 L INUX E XT 2 ............................................................................................. 20

2.3.5 L INUX E XT 3 ............................................................................................. 21

2.3.6 L INUX R EISER FS ...................................................................................... 21

2.4 P ARTITIONS ................................................................................... 21

2.4.1 W HEN IS IT U SEFUL TO H AVE M ULTIPLE P ARTITIONS ? ............................ 21

2.4.2 P ARTITION S TRUCTURE ON A H ARD D ISK ................................................. 21

2.5 B OOT S EQUENCE ........................................................................... 23

2.5.1 V ERY B EGINNING ..................................................................................... 23

2.5.2 B OOTING WITHOUT THE B OOT M ANAGER ................................................ 23

2.5.3 W HAT DOES THE B OOT M ANAGER DO ? .................................................... 23

2.6 M ANAGING P ARTITIONS ................................................................ 24

2.6.1 S ETTING AN A CTIVE P ARTITION ............................................................... 24

2.6.2 A CCESSING THE S AME F ILES FROM M ULTIPLE O PERATING S YSTEMS ...... 24

2.6.3 E FFICIENCY OF D ISK S PACE U SAGE .......................................................... 24

2.7 H IDDEN P ARTITIONS ..................................................................... 25

2.8 D RIVE L ETTERS ............................................................................. 26

2.9 A SSIGNMENT OF L ETTERS IN D IFFERENT O PERATING S YSTEMS .. 26

2.9.1 MS-DOS 5.0-6.22, MS-DOS 7.0, W INDOWS 95 ( ORIGINAL ) ................... 26

2.9.2 MS-DOS 7.1/8.0, W INDOWS 95 OSR2/98/ME ........................................ 27

2.9.3 OS/2 ......................................................................................................... 27

2.9.4 W INDOWS NT/2000/XP............................................................................ 27

2.10 T ROUBLES A RISING FROM C HANGING L ETTER A SSIGNMENT ...... 28

2.11 1024 OR 4096 C YLINDER L IMIT .................................................... 28

2.12 64K B OOT C ODE L IMIT ................................................................. 30

C HAPTER 3. I NSTALLING AND U NINSTALLING A CRONIS OS S ELECTOR ... 31

3.1 G ETTING S TARTED ........................................................................ 31

3.2 I NSTALLATION ............................................................................... 32

3.3 R EPAIRING /U PGRADING A CRONIS OS S ELECTOR ......................... 34

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