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Next Previous Contents 9. Inquiry Command Example One of the most basic SCSI commands is the INQUIRY command, used to identify the type and make of the device. Here is the definition from the SCSI-2 specification (for details refer to the SCSI-2 standard). Table 44: INQUIRY Command +=====-========-========-========-========-========-========-========-========+ | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0

Chapter 33. Options Options are settings that change shell and/or script behavior. The set command enables options within a script. At the point in the script where you want the options to take effect, use set -o option-name or, in short form, set -option-abbrev. These two forms are equivalent.

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David S. Lawyer mailto:dave@lafn.org v1.43 March 2013 This document was originally written for real text terminals which were like monitors (with keyboards), but could only display text with a command line interface (no pictures). They were widely used to access mainframe computers in the late 1970's and 1980's but use of them declined in the 1990's and they are seldom used anymore. However much o

8. SMP Boot There are a few SMP related macros, like CONFIG_SMP, CONFIG_X86_LOCAL_APIC, CONFIG_X86_IO_APIC, CONFIG_MULTIQUAD and CONFIG_VISWS. I will ignore code that requires CONFIG_MULTIQUAD or CONFIG_VISWS, which most people don't care (if not using IBM high-end multiprocessor server or SGI Visual Workstation). BSP executes start_kernel() -> smp_init() -> smp_boot_cpus() -> do_boot_cpu() -> wak

This document describes the TCP keepalive implementation in the linux kernel, introduces the overall concept and points to both system configuration and software development. Table of Contents1. Introduction1.1. Copyright and License1.2. Disclaimer1.3. Credits / Contributors1.4. Feedback1.5. Translations2. TCP keepalive overview2.1. What is TCP keepalive?2.2. Why use TCP keepalive?2.3. Checking fo

4. Linux Directory Hierarchy: Oriented to the Software PartsBy now, all discussion are OS independent. On Linux, the Four Software Parts theory is expressed in his directory structure, which is classified and documented in the Filesystem Hierarchy Standard. The FHS is part of the LSB (Linux Standard Base), which makes him a good thing because all the industry is moving thowards it, and is a consta

Next Previous Contents 3. Virtuald 3.1 Introduction Every network connection is made up of two IP address/port pairs. The API (Applications Program Interface) for network programming is called the Sockets API. The socket acts like an open file and by reading/writing to it you can send data over a network connection. There is a function call getsockname that will return the IP address of the local

There are always three default files [1] open, stdin (the keyboard), stdout (the screen), and stderr (error messages output to the screen). These, and any other open files, can be redirected. Redirection simply means capturing output from a file, command, program, script, or even code block within a script (see Example 3-1 and Example 3-2) and sending it as input to another file, command, program,

Chapter 13. Arithmetic ExpansionArithmetic expansion provides a powerful tool for performing (integer) arithmetic operations in scripts. Translating a string into a numerical expression is relatively straightforward using backticks, double parentheses, or let.

The Linux Kernel Module Programming GuidePeter Jay Salzman Michael Burian Ori Pomerantz Copyright © 2001 Peter Jay Salzman 2007-05-18 ver 2.6.4 The Linux Kernel Module Programming Guide is a free book; you may reproduce and/or modify it under the terms of the Open Software License, version 1.1. You can obtain a copy of this license at http://opensource.org/licenses/osl.php. This book is distribute

Add references to HFSC, alter author email addresses

This document outlines the set of requirements and guidelines for file and directory placement under the Linux operating system according to those of the FSSTND v2.3 final (January 29, 2004) and also its actual implementation on an arbitrary system. It is meant to be accessible to all members of the Linux community, be distribution independent and is intended to discuss the impact of the FSSTND an

Table E-1. Reserved Exit Codes Exit Code NumberMeaningExampleComments

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This document describes the TCP keepalive implementation in the linux kernel, introduces the overall concept and points to both system configuration and software development. Table of Contents1. Introduction1.1. Copyright and License1.2. Disclaimer1.3. Credits / Contributors1.4. Feedback1.5. Translations2. TCP keepalive overview2.1. What is TCP keepalive?2.2. Why use TCP keepalive?2.3. Checking fo

Mendel Cooper --- http://personal.riverusers.com/~thegrendel/v1.91, 27 July 1999 This is a comprehensive guide to building and installing "generic" UNIX software distributions under Linux. Additionally, there is some coverage of "rpm" and "deb" pre-packaged binaries. 1. Introduction 2. Unpacking the Files 3. Using Make 4. Prepackaged Binaries 4.1 Whats wrong with rpms? 4.2 Problems with rpms: an e

The Linux Kernel Module Programming GuidePeter Jay Salzman Michael Burian Ori Pomerantz Copyright © 2001 Peter Jay Salzman 2007-05-18 ver 2.6.4 Table of ContentsForeword1. Authorship2. Versioning and Notes3. Acknowledgements1. Introduction1.1. What Is A Kernel Module?1.2. How Do Modules Get Into The Kernel?2. Hello World2.1. Hello, World (part 1): The Simplest Module2.2. Compiling Kernel Modules2.

comp.os.linux.advocacy, Benefits of Linux compared to other operating systems. comp.os.linux.alpha, Linux on Digital Alpha machines. comp.os.linux.announce, Announcements important to the Linux community. (Moderated) Also visit the comp.os.linux.announce archive site. comp.os.linux.answers, FAQs, HOWTOs, READMEs, etc. about Linux. (Moderated) comp.os.linux.development.apps, Writing Linux applicati

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Table of ContentsPreface1. Purpose and Audience for This Book2. Sources of Information3. File System Standards4. Standard Linux Base5. About This Book6. The Official Printed Version7. Overview8. Conventions Used in This Book9. Submitting Changes10. Acknowledgments1. Introduction to Networking1.1. History1.2. TCP/IP Networks1.3. UUCP Networks1.4. Linux Networking1.5. Maintaining Your System2. Issue

HTML (read online) HTML (read online, single file, 2.3M) HTML (tarred and gzipped package, 674K) PDF (2.7M) PostScript (1.4M) text (510K) SGML (327K) PluckerDB (690K) This document is both a tutorial and a reference on shell scripting with Bash. It assumes no previous knowledge of scripting or programming, but progresses rapidly toward an intermediate/advanced level of instruction . . . all the wh

The New Hacker's Dictionary, Third Edition, Edited by Eric S. Raymond, 1996, ISBN 0-262-68092-0, MIT Press, 547pp.. Um, er. A guide to Internet culture. Lots of people like it. HTML at the Jargon File Resource Page. Order here. A Quarter Century of Unix, Edited by Peter H. Salus, 1994, ISBN 0-201-54777-5, Addison-Wesley, 255pp.. Linux is part of the Unix tradition. This book is an oral history of

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This document attempts to list most of the hardware known to be either supported or unsupported under Linux. Table of Contents1. Introduction1.1. Notes on binary-only drivers1.2. Notes on proprietary drivers1.3. System architectures1.4. Related sources of information1.5. Known problems with this document1.6. New versions of this document1.7. Feedback and corrections1.8. Acknowledgments1.9. Revisio

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