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Free Ebook Linux System Programming: Talking Directly to the Kernel and C Library

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Linux System Programming: Talking Directly to the Kernel and C Library

Free Ebook Linux System Programming: Talking Directly to the Kernel and C Library

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Amazon.com Review

Q&A with Robert Love, author of "Linux System Programming, 2nd Edition" Q. Why is your book timely-- what makes it important right now? A. Developing system software on Unix has always been in vogue, but we've seen a large increase in demand with the rise of the cloud and the web. Where before user apps were primarily client-side, UI-focused programs, now system-level software running in huge data centers at massive scale provides even the simplest of our computing functionality. The code powering the largest of cloud-based providers such as Google or Twitter down to the smallest startup is all system-level software. And nearly all of it runs on Linux. Q. What information do you hope that readers of your book will walk away with? A. The system API on Linux: what it is and how to use it as an expert. The book is an API reference manual, of course, but it is also chock-full of anecdotes, insider tips, and Linux-specific techniques that take it beyond your generic Unix API guide. Q. What's the most exciting thing happening in your space? A. Definitely the ever-increasing scale of distributed systems that power the cloud and web apps we all use. I work at Google on web search infrastructure; the scale and scope of our systems is absolutely stunning. And, at the end of the day, it is all just Linux system code running on (a very large number of) Linux machines. Q. What are some of the topics readers will learn in the second edition of Linux System Programming? How to design your multithreaded application for maximum performance How to efficiently perform I/O The pitfalls behind real-time processes How to take advantage of modern hardware such as multicore processors or SSDs Why your program's I/O model dictates its threading model

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Talking Directly to the Kernel and C Library

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Product details

Paperback: 456 pages

Publisher: O'Reilly Media; Second edition (June 8, 2013)

Language: English

ISBN-10: 1449339530

ISBN-13: 978-1449339531

Product Dimensions:

7 x 1.1 x 9.2 inches

Shipping Weight: 1.8 pounds (View shipping rates and policies)

Average Customer Review:

4.2 out of 5 stars

31 customer reviews

Amazon Best Sellers Rank:

#496,467 in Books (See Top 100 in Books)

Huge caveat: this book is about application programming, not internal system (kernel) development. Coming from a Windows background I bought this book thinking it would be about writing programs for the system memory space, ie drivers and kernel modifications. That is not the case. In the Linux world "system programming" means anything that makes kernel calls, i.e., uses the system interface, whereas "application programming" is writing scripts. This definition completely differs from that in the Windows/Intel world where "system programming" means writing software that operates at privilege level 0 of the CPU, i.e., anything in the system memory space (usually drivers and various OS components). So, if you are coming from a non-Linux environment be aware of that. For example, the author considers a writing "text editor" to be system programming, whereas in Windows and the MacOS text editors are considered applications and writing them is considered application programming.This book covers all the basic calls in an introductory way. For example, the first chapter with meat in it, Chapter 2, covers "File I/O" and gives beginner level descriptions of calls like read(), seek() and select(). The main advantage of the book is that is pretty thorough in coverage, giving basic descriptions of every major system interface.Overall the book is decent, but is completely outmatched by other similar, much better books. For example, "The Linux Programming Interface" by Kerrisk has everything in this book plus a lot more and much better examples. In particular a big failing of this book is that is has no realistic examples, just toy snippets. A much better introductory book is "Understanding UNIX/LINUX Programming: A Guide to Theory and Practice" by Bruce Molay which has extensive, realistic examples that do real stuff.If you want to just gloss over Linux programming and get a "feel" for how it works quickly, this is decent book, but for anybody doing serious work there are better options.

this book covers a lot of ground with an approachable narrative style.As a casual programmer and Linux user I was surprised by how enlightening the information was just to understand how Linux works. Covers io, process and memory management, and some other details.Probably not ideal for novices. Some knowledge of c and processor concepts is required to get the most from the text. Overall very good read I'd recommend to any links user or software developer.

This book is excellent for learning low-level C programming.It covers most topics of the OS programming (I/O, concurrency, memory) in concise manner.Pros:The book is concise, therefore can be finished in short time.For general audience who don't do low-level programming for living, I would recommend this book than the "standard" books (by Stenvens or by Kerrisk).I admit that those two standard books are masterpieces, but they are over 1000 page long, and they are reference books for those people who specialize in low-level programming.On the other hand, this books (by Love) is suitable for programmers in general.Cons:One big omission is that it doesn't contain network socket programming.

As a software engineer who works in a Linux environment, I was happy to find a systems programming reference. This book is a very nice reference, with insights to the kernel-level implementation of many of the various system calls. I highly recommend this book to any software developer performing systems programming in a Linux (or, in general, a Unix) environment.

I have been programming C/C++ professionally since 1986 and was surprised at how much I've learned in the first few chapters.One of the programs that I've been working on is an I/O intensive conversion from a legacy platform to Linux. The original code took about 8 minutes per gigabyte of data to process. I had worked and squeezed every trick I could think of and got the application down to 10 seconds per gigabyte. From what I learned in just the first few chapters, I was able to knock an additional 3% off the application performance. (It has been mentioned that I should state that I had been unaware of fread_unlocked and fwrite_unlocked before the book ... see comments for more detailed discussion).When I finish the book, I fully intend on passing it over to one of our junior members so that they can benefit from it.

This book, at first glance looks like its only going to be applicable to linux. This isn't the case, it looks more at system level programming; the standard library; for unix including some parts of BSD. Any interface that is only for use on linux is explicitly stated so.I found this book very easy to read and as other reviews say it mostly just lists the calls and describes them, but it does so very clearly and explains uses for them and the pros and cons of each. For me I got the book so I understood how linux worked under-the-hood and for this, this book does a very good job. It explains how the operating system communicates with the disc, how processes are implemented and how reading and writing onto the disc is optimised for performance and efficiency. I'm only half way though but I'm finding it very insightful and getting more out of it to what I thought I would.

Well-explained and well structured, easy to follow, although it lacks network programming information.

This is well balanced book which explains linux system itself and gives some code snippets.The author has deep knowledge on linux system and relative topics which would help you broaden understading of LINUX, UNIX and BSD.(In this book, he takes some historical comments for BSD.)This has manuals for the system functions and many code examples.I also recommend his another book, Linux Kernel Development (3rd Edition)Have a good time with this system book~!

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