Linux Internals

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Understanding the Linux Kernel

Author : Daniel Pierre Bovet
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596002138
Total Pages : 786 pages
Book Rating : 4.0/5 (21 download)

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Book Synopsis Understanding the Linux Kernel by : Daniel Pierre Bovet

Download or read book Understanding the Linux Kernel written by Daniel Pierre Bovet and published by "O'Reilly Media, Inc.". This book was released on 2002 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: To thoroughly understand what makes Linux tick and why it's so efficient, you need to delve deep into the heart of the operating system--into the Linux kernel itself. The kernel is Linux--in the case of the Linux operating system, it's the only bit of software to which the term "Linux" applies. The kernel handles all the requests or completed I/O operations and determines which programs will share its processing time, and in what order. Responsible for the sophisticated memory management of the whole system, the Linux kernel is the force behind the legendary Linux efficiency. The new edition of Understanding the Linux Kernel takes you on a guided tour through the most significant data structures, many algorithms, and programming tricks used in the kernel. Probing beyond the superficial features, the authors offer valuable insights to people who want to know how things really work inside their machine. Relevant segments of code are dissected and discussed line by line. The book covers more than just the functioning of the code, it explains the theoretical underpinnings for why Linux does things the way it does. The new edition of the book has been updated to cover version 2.4 of the kernel, which is quite different from version 2.2: the virtual memory system is entirely new, support for multiprocessor systems is improved, and whole new classes of hardware devices have been added. The authors explore each new feature in detail. Other topics in the book include: Memory management including file buffering, process swapping, and Direct memory Access (DMA) The Virtual Filesystem and the Second Extended Filesystem Process creation and scheduling Signals, interrupts, and the essential interfaces to device drivers Timing Synchronization in the kernel Interprocess Communication (IPC) Program execution Understanding the Linux Kernel, Second Edition will acquaint you with all the inner workings of Linux, but is more than just an academic exercise. You'll learn what conditions bring out Linux's best performance, and you'll see how it meets the challenge of providing good system response during process scheduling, file access, and memory management in a wide variety of environments. If knowledge is power, then this book will help you make the most of your Linux system.

Linux Internals Simplified

Author : Haris Kundan Prasad
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.6/5 (426 download)

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Book Synopsis Linux Internals Simplified by : Haris Kundan Prasad

Download or read book Linux Internals Simplified written by Haris Kundan Prasad and published by . This book was released on 2020-05-02 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Linux internals simplified" is a book which discusses the basics of Linux kernel internals in a code driven approach. It picks the major subsystems of the kernel which are important, and tries to simplify its internal working and data structures. As such, this book is aimed at engineers who wish to start learning about the Linux kernel.This book starts with the basic steps to acquire the Linux kernel code. It then shows ways of customizing the build options and lastly kernel compilation. Next it looks at a number of hacking tools which will help one to debug and trace in a live Linux system. Practical examples of ftrace, kprobes and crash tool are discussed. These tools are useful in trying to understand the way the Linux system works. Chapter 3 discusses the details of a running process in a Linux system. It touches topics such as address spaces of a running process, user and kernel spaces, system calls, Linux process descriptor, Linux process creation, and so on. This chapter builds a foundation of a program in execution in the Linux system.Once the reader knows about the running processes, chapter 4 discusses about the Linux process scheduling subsystem. This chapter discusses different data structures and code paths of the Linux scheduler, which controls the scheduling of processes in the Linux system. Chapter 5 discusses Interrupts, which play a significant role in the Linux operating system. The chapter discusses edge and level triggered interrupts, interrupt handlers and their registration, shared interrupt handlers, and so on. It also shows the ftrace of the do_irq function.Chapter 6 discusses the signal subsystem. It starts with a little introduction of the design of the signal subsystem. It then traces the code execution of delivering and handling of signals in the Linux kernel. The chapter then discusses signal overloading and how it is performed, while exploring the kernel code which handles this. Chapter 7 covers Linux synchronization primitives, and why they are needed. It shows the detailed implementation of primitives like atomic variables, spinlocks, semaphores and mutexes in the Linux kernel.Chapter 8 discusses various ways of Linux kernel memory allocation. It discusses Buddy allocator, Resource map allocator and Slab allocator. It discusses various APIs used for these allocators (alloc_page/s, kmem_cache_alloc, kmalloc etc.). It also discusses how user space malloc results in memory allocation in the Linux kernel.Chapter 9 discusses the Linux dynamic modules, Linux character driver framework, internal functions which are used while creating a character driver, UDEV events and IOCTL interface. It also discusses Linux device model. It discusses example of bus, device and device_driver components. It illustrates device model when used in PCI BUS. Chapter 10 covers the subsystem related to block IOs. It starts with an introduction of filesystem and its purpose. It then traces the path an IO takes, right from the "write()" system call, to the moment it gets written to the disk. The chapter covers basic data structures and design elements while going down the IO stack.

Understanding Linux Network Internals

Author : Christian Benvenuti
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596002556
Total Pages : 1062 pages
Book Rating : 4.5/5 (96 download)

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Book Synopsis Understanding Linux Network Internals by : Christian Benvenuti

Download or read book Understanding Linux Network Internals written by Christian Benvenuti and published by "O'Reilly Media, Inc.". This book was released on 2006 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt: Benvenuti describes the relationship between the Internet's TCP/IP implementation and the Linux Kernel so that programmers and advanced administrators can modify and fine-tune their network environment.

The Linux Kernel Book

Author : Rémy Card
Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Linux Kernel Book by : Rémy Card

Download or read book The Linux Kernel Book written by Rémy Card and published by . This book was released on 1998-07-09 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: The Linux Kernel Book allows you to delve into the heart of this operating system by means of an in-depth treatment of the internal functioning of the kernel. Each chapter deals in detail with the system components, including: process management, memory management, IPC Systems V, signals, pipes, POSIX tty, file systems, loadable modules, and administration.

Professional Linux Kernel Architecture

Author : Wolfgang Mauerer
Publisher : John Wiley & Sons
ISBN 13 : 1118079914
Total Pages : 1308 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis Professional Linux Kernel Architecture by : Wolfgang Mauerer

Download or read book Professional Linux Kernel Architecture written by Wolfgang Mauerer and published by John Wiley & Sons. This book was released on 2010-03-11 with total page 1308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Find an introduction to the architecture, concepts and algorithms of the Linux kernel in Professional Linux Kernel Architecture, a guide to the kernel sources and large number of connections among subsystems. Find an introduction to the relevant structures and functions exported by the kernel to userland, understand the theoretical and conceptual aspects of the Linux kernel and Unix derivatives, and gain a deeper understanding of the kernel. Learn how to reduce the vast amount of information contained in the kernel sources and obtain the skills necessary to understand the kernel sources.

Linux Kernel Programming

Author : Kaiwan N Billimoria
Publisher : Packt Publishing Ltd
ISBN 13 : 1789955920
Total Pages : 741 pages
Book Rating : 4.7/5 (899 download)

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Book Synopsis Linux Kernel Programming by : Kaiwan N Billimoria

Download or read book Linux Kernel Programming written by Kaiwan N Billimoria and published by Packt Publishing Ltd. This book was released on 2021-03-19 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn how to write high-quality kernel module code, solve common Linux kernel programming issues, and understand the fundamentals of Linux kernel internals Key Features Discover how to write kernel code using the Loadable Kernel Module framework Explore industry-grade techniques to perform efficient memory allocation and data synchronization within the kernel Understand the essentials of key internals topics such as kernel architecture, memory management, CPU scheduling, and kernel synchronization Book DescriptionLinux Kernel Programming is a comprehensive introduction for those new to Linux kernel and module development. This easy-to-follow guide will have you up and running with writing kernel code in next-to-no time. This book uses the latest 5.4 Long-Term Support (LTS) Linux kernel, which will be maintained from November 2019 through to December 2025. By working with the 5.4 LTS kernel throughout the book, you can be confident that your knowledge will continue to be valid for years to come. You’ll start the journey by learning how to build the kernel from the source. Next, you’ll write your first kernel module using the powerful Loadable Kernel Module (LKM) framework. The following chapters will cover key kernel internals topics including Linux kernel architecture, memory management, and CPU scheduling. During the course of this book, you’ll delve into the fairly complex topic of concurrency within the kernel, understand the issues it can cause, and learn how they can be addressed with various locking technologies (mutexes, spinlocks, atomic, and refcount operators). You’ll also benefit from more advanced material on cache effects, a primer on lock-free techniques within the kernel, deadlock avoidance (with lockdep), and kernel lock debugging techniques. By the end of this kernel book, you’ll have a detailed understanding of the fundamentals of writing Linux kernel module code for real-world projects and products.What you will learn Write high-quality modular kernel code (LKM framework) for 5.x kernels Configure and build a kernel from source Explore the Linux kernel architecture Get to grips with key internals regarding memory management within the kernel Understand and work with various dynamic kernel memory alloc/dealloc APIs Discover key internals aspects regarding CPU scheduling within the kernel Gain an understanding of kernel concurrency issues Find out how to work with key kernel synchronization primitives Who this book is for This book is for Linux programmers beginning to find their way with Linux kernel development. If you’re a Linux kernel and driver developer looking to overcome frequent and common kernel development issues, or understand kernel intervals, you’ll find plenty of useful information. You’ll need a solid foundation of Linux CLI and C programming before you can jump in.

Linux Kernel in a Nutshell

Author : Greg Kroah-Hartman
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596100795
Total Pages : 198 pages
Book Rating : 4.5/5 (961 download)

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Book Synopsis Linux Kernel in a Nutshell by : Greg Kroah-Hartman

Download or read book Linux Kernel in a Nutshell written by Greg Kroah-Hartman and published by "O'Reilly Media, Inc.". This book was released on 2007-06-26 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference documents the features of the Linux 2.6 kernel in detail so that system administrators and developers can customise and optimise their systems for better performance.

Linux Kernel Internals

Author : Michael Beck
Publisher : Addison-Wesley Professional
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Linux Kernel Internals by : Michael Beck

Download or read book Linux Kernel Internals written by Michael Beck and published by Addison-Wesley Professional. This book was released on 1998 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at programmers, this book shows how the Linux operating system actually works so that they can start to program the Linux kernel. The CD-ROM contains the Slackware distrubtion 3.1 together with its complete source code and much more.

Linux Internals

Author : Moshe Bar
Publisher : Computing McGraw-Hill
ISBN 13 : 9780072125986
Total Pages : 351 pages
Book Rating : 4.1/5 (259 download)

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Book Synopsis Linux Internals by : Moshe Bar

Download or read book Linux Internals written by Moshe Bar and published by Computing McGraw-Hill. This book was released on 2000-01-01 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Furnishing in-depth coverage of Linux source-code internals, this high-level handbook explains how the Linux system operating system works and how to use it with various programming applications, discussing the various Linux versions, performance and tuning issues, kernel programming, troubleshooting details, and other important topics. Original. (Intermediate)

How Linux Works, 2nd Edition

Author : Brian Ward
Publisher : No Starch Press
ISBN 13 : 1593275676
Total Pages : 394 pages
Book Rating : 4.5/5 (932 download)

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Book Synopsis How Linux Works, 2nd Edition by : Brian Ward

Download or read book How Linux Works, 2nd Edition written by Brian Ward and published by No Starch Press. This book was released on 2014-11-14 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlike some operating systems, Linux doesn’t try to hide the important bits from you—it gives you full control of your computer. But to truly master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does. In this completely revised second edition of the perennial best seller How Linux Works, author Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. Inside, you’ll find the kind of knowledge that normally comes from years of experience doing things the hard way. You’ll learn: –How Linux boots, from boot loaders to init implementations (systemd, Upstart, and System V) –How the kernel manages devices, device drivers, and processes –How networking, interfaces, firewalls, and servers work –How development tools work and relate to shared libraries –How to write effective shell scripts You’ll also explore the kernel and examine key system tasks inside user space, including system calls, input and output, and filesystems. With its combination of background, theory, real-world examples, and patient explanations, How Linux Works will teach you what you need to know to solve pesky problems and take control of your operating system.

Linux System Programming

Author : Robert Love
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449341535
Total Pages : 568 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Linux System Programming by : Robert Love

Download or read book Linux System Programming written by Robert Love and published by "O'Reilly Media, Inc.". This book was released on 2013-05-14 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Write software that draws directly on services offered by the Linux kernel and core system libraries. With this comprehensive book, Linux kernel contributor Robert Love provides you with a tutorial on Linux system programming, a reference manual on Linux system calls, and an insider’s guide to writing smarter, faster code. Love clearly distinguishes between POSIX standard functions and special services offered only by Linux. With a new chapter on multithreading, this updated and expanded edition provides an in-depth look at Linux from both a theoretical and applied perspective over a wide range of programming topics, including: A Linux kernel, C library, and C compiler overview Basic I/O operations, such as reading from and writing to files Advanced I/O interfaces, memory mappings, and optimization techniques The family of system calls for basic process management Advanced process management, including real-time processes Thread concepts, multithreaded programming, and Pthreads File and directory management Interfaces for allocating memory and optimizing memory access Basic and advanced signal interfaces, and their role on the system Clock management, including POSIX clocks and high-resolution timers

UNIX and Linux System Administration Handbook

Author : Evi Nemeth
Publisher : Addison-Wesley Professional
ISBN 13 : 0134278291
Total Pages : 1471 pages
Book Rating : 4.1/5 (342 download)

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Book Synopsis UNIX and Linux System Administration Handbook by : Evi Nemeth

Download or read book UNIX and Linux System Administration Handbook written by Evi Nemeth and published by Addison-Wesley Professional. This book was released on 2017-09-14 with total page 1471 pages. Available in PDF, EPUB and Kindle. Book excerpt: “As an author, editor, and publisher, I never paid much attention to the competition—except in a few cases. This is one of those cases. The UNIX System Administration Handbook is one of the few books we ever measured ourselves against.” —Tim O’Reilly, founder of O’Reilly Media “This edition is for those whose systems live in the cloud or in virtualized data centers; those whose administrative work largely takes the form of automation and configuration source code; those who collaborate closely with developers, network engineers, compliance officers, and all the other worker bees who inhabit the modern hive.” —Paul Vixie, Internet Hall of Fame-recognized innovator and founder of ISC and Farsight Security “This book is fun and functional as a desktop reference. If you use UNIX and Linux systems, you need this book in your short-reach library. It covers a bit of the systems’ history but doesn’t bloviate. It’s just straight-forward information delivered in a colorful and memorable fashion.” —Jason A. Nunnelley UNIX® and Linux® System Administration Handbook, Fifth Edition, is today’s definitive guide to installing, configuring, and maintaining any UNIX or Linux system, including systems that supply core Internet and cloud infrastructure. Updated for new distributions and cloud environments, this comprehensive guide covers best practices for every facet of system administration, including storage management, network design and administration, security, web hosting, automation, configuration management, performance analysis, virtualization, DNS, security, and the management of IT service organizations. The authors—world-class, hands-on technologists—offer indispensable new coverage of cloud platforms, the DevOps philosophy, continuous deployment, containerization, monitoring, and many other essential topics. Whatever your role in running systems and networks built on UNIX or Linux, this conversational, well-written ¿guide will improve your efficiency and help solve your knottiest problems.

Linux Device Drivers

Author : Jonathan Corbet
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596555385
Total Pages : 640 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Linux Device Drivers by : Jonathan Corbet

Download or read book Linux Device Drivers written by Jonathan Corbet and published by "O'Reilly Media, Inc.". This book was released on 2005-02-07 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Device drivers literally drive everything you're interested in--disks, monitors, keyboards, modems--everything outside the computer chip and memory. And writing device drivers is one of the few areas of programming for the Linux operating system that calls for unique, Linux-specific knowledge. For years now, programmers have relied on the classic Linux Device Drivers from O'Reilly to master this critical subject. Now in its third edition, this bestselling guide provides all the information you'll need to write drivers for a wide range of devices.Over the years the book has helped countless programmers learn: how to support computer peripherals under the Linux operating system how to develop and write software for new hardware under Linux the basics of Linux operation even if they are not expecting to write a driver The new edition of Linux Device Drivers is better than ever. The book covers all the significant changes to Version 2.6 of the Linux kernel, which simplifies many activities, and contains subtle new features that can make a driver both more efficient and more flexible. Readers will find new chapters on important types of drivers not covered previously, such as consoles, USB drivers, and more.Best of all, you don't have to be a kernel hacker to understand and enjoy this book. All you need is an understanding of the C programming language and some background in Unix system calls. And for maximum ease-of-use, the book uses full-featured examples that you can compile and run without special hardware.Today Linux holds fast as the most rapidly growing segment of the computer market and continues to win over enthusiastic adherents in many application areas. With this increasing support, Linux is now absolutely mainstream, and viewed as a solid platform for embedded systems. If you're writing device drivers, you'll want this book. In fact, you'll wonder how drivers are ever written without it.

The Linux Kernel Primer

Author : Claudia Salzberg Rodriguez
Publisher : Prentice-Hall PTR
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis The Linux Kernel Primer by : Claudia Salzberg Rodriguez

Download or read book The Linux Kernel Primer written by Claudia Salzberg Rodriguez and published by Prentice-Hall PTR. This book was released on 2006 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers a comprehensive view of the underpinnings of the Linux kernel on the Intel x86 and the Power PC.

Systems Performance

Author : Brendan Gregg
Publisher : Pearson
ISBN 13 : 0136821650
Total Pages : 2022 pages
Book Rating : 4.1/5 (368 download)

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Book Synopsis Systems Performance by : Brendan Gregg

Download or read book Systems Performance written by Brendan Gregg and published by Pearson. This book was released on 2020-12-09 with total page 2022 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systems Performance, Second Edition, covers concepts, strategy, tools, and tuning for operating systems and applications, using Linux-based operating systems as the primary example. A deep understanding of these tools and techniques is critical for developers today. Implementing the strategies described in this thoroughly revised and updated edition can lead to a better end-user experience and lower costs, especially for cloud computing environments that charge by the OS instance. Systems performance expert and best-selling author Brendan Gregg summarizes relevant operating system, hardware, and application theory to quickly get professionals up to speed even if they have never analyzed performance before. Gregg then provides in-depth explanations of the latest tools and techniques, including extended BPF, and shows how to get the most out of cloud, web, and large-scale enterprise systems. Key topics covered include Hardware, kernel, and application internals, and how they perform Methodologies for rapid performance analysis of complex systems Optimizing CPU, memory, file system, disk, and networking usage Sophisticated profiling and tracing with perf, Ftrace, and BPF (BCC and bpftrace) Performance challenges associated with cloud computing hypervisors Benchmarking more effectively Featuring up-to-date coverage of Linux operating systems and environments, Systems Performance, Second Edition, also addresses issues that apply to any computer system. The book will be a go-to reference for many years to come and, like the first edition, required reading at leading tech companies. Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.

The Linux Kernel Module Programming Guide

Author : Peter Jay Salzman
Publisher : CreateSpace
ISBN 13 : 9781441418869
Total Pages : 0 pages
Book Rating : 4.4/5 (188 download)

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Book Synopsis The Linux Kernel Module Programming Guide by : Peter Jay Salzman

Download or read book The Linux Kernel Module Programming Guide written by Peter Jay Salzman and published by CreateSpace. This book was released on 2009-01-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linux Kernel Module Programming Guide is for people who want to write kernel modules. It takes a hands-on approach starting with writing a small "hello, world" program, and quickly moves from there. Far from a boring text on programming, Linux Kernel Module Programming Guide has a lively style that entertains while it educates. An excellent guide for anyone wishing to get started on kernel module programming. *** Money raised from the sale of this book supports the development of free software and documentation.

Rootkit Arsenal

Author : Bill Blunden
Publisher : Jones & Bartlett Publishers
ISBN 13 : 144962636X
Total Pages : 816 pages
Book Rating : 4.4/5 (496 download)

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Book Synopsis Rootkit Arsenal by : Bill Blunden

Download or read book Rootkit Arsenal written by Bill Blunden and published by Jones & Bartlett Publishers. This book was released on 2013 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: While forensic analysis has proven to be a valuable investigative tool in the field of computer security, utilizing anti-forensic technology makes it possible to maintain a covert operational foothold for extended periods, even in a high-security environment. Adopting an approach that favors full disclosure, the updated Second Edition of The Rootkit Arsenal presents the most accessible, timely, and complete coverage of forensic countermeasures. This book covers more topics, in greater depth, than any other currently available. In doing so the author forges through the murky back alleys of the Internet, shedding light on material that has traditionally been poorly documented, partially documented, or intentionally undocumented. The range of topics presented includes how to: -Evade post-mortem analysis -Frustrate attempts to reverse engineer your command & control modules -Defeat live incident response -Undermine the process of memory analysis -Modify subsystem internals to feed misinformation to the outside -Entrench your code in fortified regions of execution -Design and implement covert channels -Unearth new avenues of attack