open source operating system linux ppt

Ngày tải lên: 03/04/2014, 10:20

... network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network operating system ... network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating system ... devices. The operating system enables applications to create and open files, transfer data between devices, and perform such file- management tasks as renaming and deleting. The operating system...

Ngày tải lên: 09/12/2013, 17:15

... Accept upgrade transfer from other hosts Enabled Actions [U] System XMODEM upgrade [D] Download test subsystem (XMODEM) [T] System TFTP upgrade [X] Exit to Main Menu Enter Selection: ... and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. Lab 6.2.7a Managing Switch Operating System Files Objective • Create and verify a basic switch configuration. ... Basics and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. ALSwitch#copy flash tftp Source filename []? c2950-c3h2s-mz.120-5.3.WC.1.bin Address or name of remote...

Ngày tải lên: 24/01/2014, 19:20

... interface standards are EIDE (Enhanced Integrated Drive Electronics) and SCSI (Small Computer System Interface). • EIDE has evolved over the years and has several variants, all of which have...

Ngày tải lên: 16/02/2014, 08:20

Ngày tải lên: 31/03/2014, 20:20

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 08/07/2014, 01:42

Ngày tải lên: 08/03/2014, 23:20

... strictly on Linux, since open source projects tend to gravitate towards open source operating systems. However, there is support for UNIX variants and Microsoft Windows operating systems. In a ... an open- source VoIP system, later known as the Vovida Open Communication Application Library (VOCAL). The related Web site is www.opensource.org. Eventually, Vovida was acquired by Cisco Systems, and ... Open Source Open source software packages that support VoIP can be divided into two categories: H.323 and SIP. A good example of open source development based on H.323 is the GNU Gatekeeper, OpenH323,...

Ngày tải lên: 17/01/2014, 06:20

... Since it is resource-intensive, users would likely notice performance degradation if you dumped file systems during working hours. Besides, dumping open files should be avoided. System administrators ... options are supported on all operating systems. For instance, configuring a DLT jukebox on a Solaris 5.2 system was an exercise in futility, but the same task on a 5.5 system was trivial. A second ... You’re tasked with managing a system. If it’s new, start with hardware - connect cables, attach peripherals, etc. Next, you install and configure the operating system, the latest security patches,...

Ngày tải lên: 17/01/2014, 08:20

... embedded Linux. It is perfectly possible to build rock-solid control systems based around a single Linux processor, and there are many such systems in existence. However, a uniprocessor system ... the embedded design issues that affected my proj- ect: a need to use low-cost (open- source) tools and operating systems, a requirement for several features with fairly hard real-time requirements, ... there are freeware assemblers and other tools for UNIX-based operating systems as well as Windows. This page intentionally left blank Open- Source Robotics and Process Control Cookbook 20 Chapter...

Ngày tải lên: 19/01/2014, 17:20

... accessibility of the source code. The open source development model is underpinned by the assurance that source code for an open source project will be made generally available. Why Open Source Software ... core open source distribution." - John Lewis, Security Systems Engineer, City of Charlottesville, VA Why Open Source Software Can Help Create a More Secure IT Infrastructure 12 The Open Source ... Wheat from the Chaff 9 But Does Open Source Really Work in the Real World? 11 Summary 13 Why Open Source Software Can Help Create a More Secure IT Infrastructure 2 Open Source Users - Not Afraid of...

Ngày tải lên: 24/01/2014, 09:20

... multithreaded operating system and a very efficient one. While programmers can explicitly create threads, much of the work of handling threads is taken care of behind the scenes by the operating system ... upgrade its operating system, it must take into account the millions of users that have a large invest- ment in software designed to run on the existing version of its operating system. So no ... with the system s ability to assign threads to processors based on the current load on each processor, makes for a system with very high performance. Preemptive Multitasking An operating system...

Ngày tải lên: 26/01/2014, 07:20

... three color components), and because it is a color system with which many program- mers and end users are familiar with (it’s common to several operating systems). The BeOS defines rgb_color as a struct ... StrokeRect(rect8); SetPenSize(12.0); StrokeRect(rect12); Shapes Be claims that the BeOS is an operating system for the graphics community. So it’s hoped that the BeOS makes it easy for programmers ... user clicks the mouse in the MyDrawView view, MouseDown() makes the system aware of the fact that the view needs updating, and the system invokes Draw(): void MyDrawView::MouseDown(BPoint point) { ...

Ngày tải lên: 26/01/2014, 07:20

... creating a control can also be expressed in a number of steps. All of the following affect the window source code file (the MyHelloWindow.cpp file in this particular example): • Declare and assign values ... icons on it. This button is used to toggle between two search options: search only the currently open, active file, and search all files present in the Find window list. Figure 6-5 shows both of ... the affected view invoking the BView hook function MouseDown(). Besides being the recipient of system messages, a window is also capable of receiving application-defined messages. This lets you...

Ngày tải lên: 26/01/2014, 07:20

... may not always fit within the confines of a view. Enter the scrollbar. The APIs for other operating systems that employ a graphical user interface include routines to work with scrollbars, but ... setting a view’s font to one of the global system fonts, but you can use SetFont() with any BFont object. Here, one view is having its font set to the global system font be_ plain_font, while another ... machine may have more than the three system fonts installed, your application shouldn’t make any font-related assumptions. You can’t be sure every user has a non -system font your application uses;...

Ngày tải lên: 26/01/2014, 07:20

... most about open source licenses. Therefore, I have chosen to rely on a somewhat different set of Open Source Principles to describe software that is open source . These Open Source Principles ... Chapter 11 Shared Source, Eventual Source, and Other Licensing Models 255 Alternatives to Open Source 255 Shared Source 256 Public Source 259 Dual and Multiple Licensing 262 Eventual Source and Scheduled ... PM 1 • Freedom and Open Source 9 They guide us to what I believe are the key things to look for in open source licenses—and the key things we’ll find missing in non open source licenses. It...

Ngày tải lên: 19/02/2014, 05:20

... OF OPEN SOURCE SOFTWARE 153 A Brief Digression into Terminology 154 Understanding Open Source 155 Credit Unions and Open Source: An Analogy 155 The Role of Open Source Licenses 168 The Open Source ... TS www.it-ebooks.info Other resources from O’Reilly Related titles Applied Software Management Hackers & Painters Open Sources Open Sources 2.0 Producing Open Source Software The Cathedral ... or manage IP issues. The sections on open source ( http://opensource.org ) licensing are also intended to be of use to those becoming familiar with open source licenses or needing to pick a license....

Ngày tải lên: 21/02/2014, 15:21