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Linux System Programming [复制链接]

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发表于 2009-11-22 15:02 |显示全部楼层


This book is about writing software that makes the most effective use of the system you're running on -- code that interfaces directly with the kernel and core system libraries, including the shell, text editor, compiler, debugger, core utilities, and system daemons. The majority of both Unix and Linux code is still written at the system level, and Linux System Programming focuses on everything above the kernel, where applications such as Apache, bash, cp, vim, Emacs, gcc, gdb, glibc, ls, mv, and X exist.
Written primarily for engineers looking to program (better) at the low level, this book is an ideal teaching tool for any programmer. Even with the trend toward high-level development, either through web software (such as PHP) or managed code (C#), someone still has to write the PHP interpreter and the C# virtual machine. Linux System Programming gives you an understanding of core internals that makes for better code, no matter where it appears in the stack. Debugging high-level code often requires you to understand the system calls and kernel behavior of your operating system, too.
这本书是关于如何编写有效利用系统资源的软件 - 这些软件可直接与内核和核心系统库交互,其中包括有Shell,文本编辑器,编译器,调试器,核心工具和系统守护进程。虽然Unix和Linux的大部分代码仍然是写在系统级,但是Linux系统编程的重点已经转移到内核以上的所有部分,诸如Apache,bash,cp,Vim,Emacs,gcc, gdb, glibc, ls, mv和X等应用软件


虽然本书主要是针对进行底层编程(或想要提高)的工程师,但它对所有编程人员来说都是一本理想的学习资料。即使对于开始兴起的上层编程,甚至网络编程(如PHP语言)或管理语言(C#),仍然要有人写PHP解释器和C#的虚拟机。 不管编写的程序代码出现在堆栈的那个地方,通过对核心内部的讲解,说明了如何编写更好的代码。调试上层代码同样需要你理解系统调用和操作系统的内核特性。

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