Tài liệu LINUX System Programming doc

... issuing extraneous system calls. • You prefer a higher-level interface to the low-level Linux system calls. The most flexibility, however, exists when you work directly with the Linux system calls. ... ret; } Thankfully, this is not the Linux implementation: Linux implements readv( ) and writev( ) as system calls, and internally performs scatter/gather I/O. In fact, all I/O in...

Ngày tải lên: 17/02/2014, 23:20

... the documentation related to it. Configure access to man sources and the man system. Keywords: man, apropos, whatis, MANPATH Find Linux documentation on the Internet Find and use Linux documentation. ... Internet Find and use Linux documentation. Use Linux documentation from sources such as the Linux Documentation Project (LDP), vendors and third-party websites. Linux specific...

Ngày tải lên: 24/01/2014, 04:20

... let’s explore the Unix file system a bit. 1 1 Secure System Administration - SANS GIAC © 2000, 2001 Information System Security The Big Picture Approach to Computer Systems Security Welcome to ... operating system of the computer. In our time together we are going to get a crash course in operating systems, especially the file system component, and then tie that information to i...

Ngày tải lên: 21/12/2013, 05:16

... chỉ University of Technology 16 • Bus dữ liệu: là bus 2 chiều, dùng để chuyển dữ liệu giữa vi xử lý và các phần khác của hệ thống Độ rộng của bus dữ liệu sẽ quyết định độ rộng của các hoạt ... là số lượng các tín hiệu trong bus • Có 3 loại bus cơ bản là bus địa chỉ (address bus), bus dữ liệu (data bus) và bus điều khiển (control bus) • Bus địa chỉ: là bus 1 chiều, dùng để chỉ địa .....

Ngày tải lên: 19/01/2014, 08:20

... after the Plug and Play subsystem (PnP subsystem) has discovered a new device. The User-Mode Plug and Play Manager (UMPNPMGR, which is the system DLL: %SystemRoot% \System3 2\Umpnpmgr.dll) waits ... with your hard disk or if any of the system files are missing or corrupt.  Automated System Recovery. Automated System Recovery (ASR) is a two-part recovery system that allows you...

Ngày tải lên: 26/01/2014, 06:20

... protection What is an Operating System A utility is a program that performs a task that is not typically handled by the operating system. Some utilities enhance the operating system& apos;s functionality. Some ... make choices. The User Interface - Dialog Boxes • Some older operating systems, such as DOS (Disk Operating System) and UNIX, use command-line interfaces. • In...

Ngày tải lên: 16/02/2014, 13:20

... What’s New in HTML5? Before we start programming HTML5, let’s take a quick look at what’s new in HTML5. New DOCTYPE and Character Set First of all, the DOCTYPE for web pages has been greatly ... loadDemo() { if(navigator.geolocation) { document.getElementById("support").innerHTML = "Geolocation supported."; } else { document.getElementById("support"...

Ngày tải lên: 17/02/2014, 17:20

... initWithBarButtonSystemItem:target:action: to create the naviga- tion item: self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave ... UIScreen class to deter- mine the size of the main window. For more information, see Apple’s SDK documentation for UIScreen. Grab another UILabel from the Library window and drop it onto the Ta...

Ngày tải lên: 17/02/2014, 23:20

... provided with GNU /Linux systems) wraps Linux system calls with functions so that you can call them easily. Low-level I/O functions such as open and read are examples of system calls on Linux. 10 0430 ... 188 168 Chapter 8 Linux System Calls The set of Linux system calls forms the most basic interface between programs and the Linux kernel. Each call presents a basic operati...

Ngày tải lên: 26/01/2014, 07:20

... AWK Programming Language by the language’s inventors (Alfred V. Aho, Peter J. Weinberger, and Brian W. Kernighan) • sed & awk by Dale Dougherty and Arnold Robbins • Effective awk Programming ... Programs 113 Document Your Code 116 Format Your Code Consistently 117 The K.I.S.S. Principle 117 Test As You Go 118 Debugging a Script 120 Summary 123 Exercises 123 ■Chapter 11: Pr...

Ngày tải lên: 17/02/2014, 17:20