... network operating system. Just as a computer
cannot operate without an operating system, a network of computers cannot
operate without a network operating system. Every network operatingsystem ... network operatingsystem s manufacturer, a desktop
computer’s networking software can be added either to the computer’s own
operating system or be integrated with it. Network operatingsystem ... mathematical
calculation. A network operatingsystem must also support multiple processors,
clusters of disk drives, and data security features. Finally, a network operating
system must be reliable and...
... Accept upgrade transfer from other hosts Enabled
Actions
[U] System XMODEM upgrade [D] Download test subsystem
(XMODEM)
[T] System TFTP upgrade [X] Exit to Main Menu
Enter Selection:
... and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright 2003, Cisco Systems, Inc.
Lab 6.2.7a Managing Switch OperatingSystem Files
Objective
• Create and verify a basic switch configuration. ... An example of the Firmware Configuration Menu is:
Catalyst 1900 - Firmware Configuration
System Information
FLASH: 1024K bytes
V8.01.00 : Enterprise Edition
Upgrade status:
No upgrade...
...
interface standards are EIDE (Enhanced Integrated
Drive Electronics) and SCSI (Small Computer
System Interface).
•
EIDE has evolved over the years and has several
variants, all of which have...
... 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...
... 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...
... facilities
Distributions Linux
•
Distribution = A collection of all or some programs
altogether around a Linux kernel which allows to install a
collaborative system, operating perfectly.
–
Include ... OS.
–
-p, processor: processor type
#uname –a
Linux linuxsrv.linuxvn.net 2.2.14-5.0#1 Tue Mar 7
21:07:39 EST 2000 i386 unknown
Free Software, Linux & Open Source
•
1984 : Richard Stallman, ...
Live CD Linux
•
Distro Linux on one CD
–
GNU /Linux OS. Plus with necessary softwares
–
Not affect the current status of PC, HD not required!
•
Some typical distro
–
Knoppix
–
DemoLinux
–
Mandows
–
FreeSBIE
...
... 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 ... more
reliable operating system.
3.13 What is the main advantage for an operating- system designer of using a virtual-machine
architecture? What is the main advantage for a user?
Answer: The system is...