... System Calls 62
2.4 Types of System Calls 66
2.5 System Programs 74
2.6 Operating- System Design and
Implementation 75
2.7 Operating- System Structure 78
2.8 Operating- System Debugging 86
2.9 Operating- System ... Open-Source Operating Systems 43
1.13 Summary 47
Exercises 49
Bibliographical Notes 52
Chapter 2 Operating- System Structures
2.1 Operating- System Services 55
2.2 User and Operating- System
Interface ... 1 Introduction
1.1 What Operating Systems Do 4
1.2 Computer -System Organization 7
1.3 Computer -System Architecture 12
1.4 Operating- System Structure 19
1.5 Operating- System Operations 21
1.6...
... Virtual
machines also provide a good platform for operatingsystem research since many different
operating systems may run on one physical system.
Answers to Exercises 43
a.
b.
Answer: oanswer.
10.11 ... and
is the unit of work in a modern time-sharing system. Such a system consists of a collection
of processes: Operating- system processes executing system code and user processes executing
user code. ... errors possible on a system.
3.7 What is the purpose of system calls?
Answer: System calls allow user-level processes to request services of the operating sys-
tem.
3.8 Using system calls, write...
... types:
C# type System type Size (bytes) Signed?
sbyte System. Sbyte
1 Yes
short System. Int16
2 Yes
int System. Int32
4 Yes
long System. Int64
8 Yes
byte System. Byte
1 No
ushort System. UInt16 ... (short)x; // explicit, truncates x
2.2.5.2 Floating-point types
C# type System type Size (bytes)
float System. Single
4
double System. Double
8
A float can hold values from approximately ±1.5 x ... of storage.
For more information on the System. Object type, see Section 3.1 in Chapter 3.
2.2.5.7 string type
C# type System type Size (bytes)
string System. String
20 minimum
The C# string...
... 2002
1.1
Operating System Concepts
Chapter 1: Introduction
■ What is an Operating System?
■ Mainframe Systems
■ Desktop Systems
■ Multiprocessor Systems
■ Distributed Systems
■ Clustered System
■ ... 2002
2.9
Operating System Concepts
Device-Status Table
xiv Contents
Chapter 3 Operating- System Structures
3.1 System Components 55
3.2 Operating- System Services 61
3.3 System Calls 63
3.4 System Programs ... an Operating System? 3
1.2 Mainframe Systems 7
1.3 Desktop Systems 11
1.4 Multiprocessor Systems 12
1.5 Distributed Systems 14
1.6 Clustered Systems 16
1.7 Real-Time Systems 17
1.8 Handheld Systems...
... Slackware Linux operating system.
It’s not meant to cover every single aspect of the distribution, but rather to show what
it is capable of and give you a basic working knowledge of the system.
As ... First Edition
This second edition is the culmination of years of hard work by the dedicated mem-
bers of the Slackware Documentation Project. The following are the major changes
in this new edition:
ã ... 28
3.4.5 SOURCE 28
3.4.6 SELECT 29
3.4.7 INSTALL 30
3.4.8 CONFIGURE 32
4 System Configuration 41
4.1 System Overview 41
4.1.1 File System Layout 41
4.1.2 Finding Files 44
4.1.3 The
Directory 46
4.2...
... â2005
Operating SystemConcepts 7
th
Edition, Feb 11, 2005
Mirror Set on Two Drives
Mirror Set on Two Drives
C.12
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Edition, ... Galvin and Gagne â2005
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File I/O
File I/O
C.36
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Volume ... â2005
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Stripe Set on Two Drives
Stripe Set on Two Drives
C.3
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... aspects of system
z Loads operatingsystem kernel and starts execution
1.4
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What is an Operating System?
What ... Gagne â2005
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Interrupt Timeline
Interrupt Timeline
1.39
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Edition, Jan ... â2005
Operating SystemConcepts 7
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Memory Layout for Multiprogrammed System
Memory Layout for Multiprogrammed System
1.22
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Operating System...
... â2005
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th
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Layered Operating System
Layered Operating System
2.24
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Silberschatz, Galvin and Gagne â2005
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Operating System Services
Operating System Services
One set of operating- system services provides functions ... 7
th
Edition, Jan 14, 2005
UNIX System Structure
UNIX System Structure
2.22
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System Programs
System Programs
Provide...
... Gagne â2005
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Edition, Feb 7, 2006
Process in Memory
Process in Memory
3.39
Silberschatz, Galvin and Gagne â2005
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Edition, Feb ... â2005
Operating SystemConcepts - 7
th
Edition, Feb 7, 2006
Diagram of Process State
Diagram of Process State
3.15
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Operating SystemConcepts - 7
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Representation of Process Scheduling
Representation of Process Scheduling
3.42
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Operating System Concepts...
... Gagne â2005
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th
edition, Jan 23, 2005
Many
Many
-
-
to
to
-
-
One Model
One Model
4.15
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edition, ... Gagne â2005
Operating SystemConcepts 7
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edition, Jan 23, 2005
Many
Many
-
-
to
to
-
-
Many Model
Many Model
4.10
Silberschatz, Galvin and Gagne â2005
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edition, ... â2005
Operating SystemConcepts 7
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edition, Jan 23, 2005
Single and Multithreaded Processes
Single and Multithreaded Processes
4.14
Silberschatz, Galvin and Gagne â2005
Operating System Concepts...
... â2005
Operating SystemConcepts 7
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Schematic view of a Monitor
Schematic view of a Monitor
6.39
Silberschatz, Galvin and Gagne â2005
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Edition, ... semaphores
z spin locks
6.47
Silberschatz, Galvin and Gagne â2005
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System Model
System Model
Assures that operations happen as a single logical ... words
6.46
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Atomic Transactions
Atomic Transactions
System Model
Log-based Recovery
Checkpoints
...
... â2005
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Graph With A Cycle But No Deadlock
Graph With A Cycle But No Deadlock
7.20
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Operating SystemConcepts ... 7.19
Silberschatz, Galvin and Gagne â2005
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Edition, Feb 14, 2005
Basic Facts
Basic Facts
If a system is in safe state ⇒ no deadlocks.
If a system is in unsafe state ⇒ possibility ... resource type. R
j
.
7.6
Silberschatz, Galvin and Gagne â2005
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Edition, Feb 14, 2005
System Model
System Model
Resource types R
1
, R
2
, . . ., R
m
CPU cycles,...