System programming (or systems programming) is the activity of programming system software. The primary distinguishing characteristic of systems programming when compared to application programming is that application programming aims to produce software which provides services to the user (e.g. word processor), whereas systems programming aims to produce software which provides services to the computer hardware (e.g. disk defragmenter). It requires a greater degree of hardware awareness.
Other Linux resources from O’Reilly
Building Embedded Linux Systems Designing Embedded Hardware Linux Device Drivers Linux Kernel in a Nutshell Programming Embedded Systems Running Linux Understanding Linux Network Internals Understanding the Linux Kernel Linux Books Resource Center
linux.oreilly.com is a complete catalog of O’Reilly’s books on Linux and Unix and related technologies, including sample chapters and code examples. ONLamp.com is the premier site for the open source web platform: Linux, Apache, MySQL and either Perl, Python, or PHP....
The importance of mobile systems programming has emerged over the recent years as a new domain in software development. The design of software that runs in a mobile device requires that developers combine the rules applicable in embedded environment; memory-awareness, limited performance, security, and limited resources with features that are needed in workstation environment; modifiability, run-time extensions, and rapid application development.
Programming Mobile Devices is a comprehensive, practical introduction to programming mobile systems.
Virtual address of a process does not represent the actual physical locationof an object in memory.
Each process maintains its page map
–Internal data structure used to translate virtual addresses into corresponding physical addresses
–Each time a thread references an address, the system translates the virtual address to physical address
KIPS is an automatic programming system which generates standardized business application programs through interactive natural language dialogue. KIPS models the program under discussion and the content of the user's statements as organizations of dynamic objects in the object*oriented programming sense. This paper describes the statement*model and the program-model, their use in understanding Japanese program specifications, and bow they are shaped by the linguistic singularities of Japanese input sentences. ...
This lecture provides a brief overview of what distinguishes embedded systems programming from “ordinary programming.” It then touches upon facilities that become prominent or problems when working “close to the hardware” such as free store use, bit manipulation, and coding standards. Remember: not all computers are little grey boxes hiding under desks in offices.
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution.Linux was originally developed as a free operating system for Intel x86-based personal computers. It has since been ported to more computer hardware platforms than any other operating system. Most Linux distributions support dozens of programming languages.
Using a series of web development examples, this book 'C Programming in Linux' will give you an interesting glimpse into a powerful lower-level world.
C is tight and spare and economical, and in the current world climate people who know C will ensure critical systems keep running.
A knowledge of C is now and has been for years a pre-requisite for serious software professionals and with the recent popularity and maturity of Open Systems this is even more true.
Dennis Ritchie at AT&T Bell Laboratories pioneered the C programming language in
the early 1970s. However, this programming language did not begin to gain widespread
popularity and support until the late 1970s.This was because, until that time, C compilers
were not readily available for commercial use outside of Bell Laboratories. Initially, this
growth in popularity was also partly spurred by the equal, if not faster, growth in popularity
of the UNIX operating system, which was written almost entirely in C.
Brad J. Cox designed the Objective-C language in the early 1980s.
Scala is an exciting, modern, multi-paradigm language for the JVM. You can use it to write traditional, imperative, object-oriented code. But you can also leverage its higher level of abstraction to take full advantage of modern, multicore systems. Programming Scala will show you how to use this powerful functional programming language to create highly scalable, highly concurrent applications on the Java Platform.
The purpose of this book is to teach solid idiomatic Go programming using
all the features the language provides, as well as the most commonly used Go
packages from Go’s standard library. The book is also designed to serve as a
useful reference once the language is learned. To meet both of these goals the
book is quite comprehensive and tries to cover every topic in just one place—and
with forward and backward cross-references throughout.
Go is quite C-like in spirit, being a small and efficient language with convenient
low-level facilities such as pointers.
“If I had to choose a single book to sit next to my machine when writing software for Linux, this would be it.” —MARTIN LANDERS, SOFTWARE ENGINEER, GOOGLE “This book, with its detailed descriptions and examples, contains everything you need to understand the details and nuances of the low-level programming APIs in Linux . . .
During the evolution of jBPM, leading up to Activiti, I took a new approach to
the old problem. Initially, the focus was on state machines, but eventually we constructed
an engine to match the way business people and developers collaborate. We
designed the engine in such a way that it would allow business people to define the
graphical flow of the process and, at the same time, give developers the opportunity
to bind program logic inside the process flows. In addition, the engine was lightweight
and integrated easily into any Java environment. The result was what we call
Memory-mapped file functionality
–Map virtual memory space directlyto normal files.
–No need to perform direct file I/O
–Data structures created in memory will be saved in the file for later use
–In-memory algorithms can process file data even though the file is much larger than available physical memory
–Improvement of file processing performance
–No need to manage buffers and the file data
–Multiple processes can share memory
Installing Twisted Installation on Linux Installation on Windows Installation on OS X Installing from Source Required Dependencies Installing Twisted from a Release Tarball Installing Twisted from a Source Checkout Installing Optional Dependencies from Source Testing Your Installation Using the Twisted Documentation API Documentation Subproject Documentation Finding Answers to Your Questions Mailing Lists IRC Channels Stack Overflow Twisted Blogs A TCP Echo Server and Client Event-Driven Programming The Reactor...
Chapter Objectives: Specification of more general constraints via assertions, SQL facilities for defining views (virtual tables), various techniques for accessing and manipulating a database via programs in general-purpose languages (e.g., Java).
The developers chose the 8088 over the 8086 because, while the 8088 worked on a 16-bit basis internally, it only
communicated with the outside world using an 8-bit data bus. Since the 8-bit DataMaster data bus already existed, the 8088
was the obvious choice. This bus connects the motherboard of the PC, where the processor and its support chips are resident,
to the memory and the expansion boards, which are plugged into the expansion slots.
PIC Microcontrollers are present in almost every new electronic application that is released from garage door openers to the iPhone. With the proliferation of this product more and more engineers and engineers-to-be (students) need to understand how to design, develop, and build with them. Martin Bates, best-selling author, has provided a step-by-step guide to programming these microcontrollers (MCUs) with the C programming language.