06-07-2011
Unix was designed as a multi-user, multi-tasking operating system. Windows, initially, was not really designed for this.. and still carries some poor design choices even after recognizing the need for handling multiple users and tasks. Windows attempt at handling multiple users was to create the idea of required client OS installations in addition to what they called a server OS installation. And this is still their primary model for handling multiple users. With Unix, there doesn't have to be any distinction of client vs. server, which is useful when you consider the cost of Windows CALs.
Because Unix systems are simply general purpose multi-user, multi-tasking entities, Unix can be made into pretty much anything (there isn't a hard paradigm that is difficult to thwart with Unix... the whole client/server model of Windows can be VERY limiting).
Unix tends to focus on the idea of processes and files as the core. Windows core consists of a set of API's that cover many very specific areas. The flexibility of Unix is in the elegant simplicity of its model. True, you can make a very insecure Unix platform, but unlike Windows, you can also make a very secure platform as well. The Windows core consists of legacy APIs, redundant APIs, deprecated APIs and the ever growing set of new APIs... and since it's an API driven model, there are lots of security issues... arguably, it's not fixable.
There are even more elegant solutions out there than Unix... but just the few good design choices made early on have allowed Unix (and even Linux) to stand the test of time.
Unix can be used to make small footprint appliances (e.g. even mobile phone devices... many of which are Linux based). Windows required a whole DIFFERENT OS and API stack to support small footprint appliances, and indeed, even so, there are many choices even in that space (WinCE, Windows Mobile, etc.)... all different, all unique... and it multiplies the security issues that have to be taken into account.
Unix, simple design, flexible OS, a gazillion possibilities.
Windows, complex design, insecure and risky, limited possibilities (by design).
Just my two cents... I specialize in Unix/Linux + Windows integration...
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LEARN ABOUT CENTOS
glutsetoption
UNTITLED
LOCAL UNTITLED
NAME
glutSetOption -- Allows you to set some general state/option variables.
LIBRARY
OpenGLUT - state
SYNOPSIS
#include <openglut.h>
void
glutSetOption(GLenum eWhat, int value);
PARAMETERS
eWhat Enumerated parameter ID.
value New value.
DESCRIPTION
Stores the value into a state variable named by eWhat.
Allowable eWhat IDs are:
- GLUT_ACTION_ON_WINDOW_CLOSE
Controls what happens when a window is closed by the user or system. GLUT_ACTION_EXIT will immediately exit the application (default).
GLUT_ACTION_GLUTMAINLOOP_RETURNS will immediately return from the main loop. GLUT_ACTION_CONTINUE_EXECUTION will contine execution of
remaining windows.
- GLUT_INIT_DISPLAY_MODE
An alternate way to set the display mode for a new window.
- GLUT_INIT_WINDOW_HEIGHT
An alternate way to set the height of new windows.
- GLUT_INIT_WINDOW_WIDTH
An alternate way to set the width of new windows.
- GLUT_INIT_WINDOW_X
An alternate way to set the initial horizontal position of new windows.
- GLUT_INIT_WINDOW_Y
An alternate way to set the initial vertical position of new windows.
- GLUT_RENDERING_CONTEXT
Set to either GLUT_CREATE_NEW_CONTEXT or GUT_USE_CURRENT_CONTEXT to indicate whether to share the current OpenGL rendering context with
new windows.
- GLUT_WINDOW_CURSOR
Attempt to set the current window 's current cursor as if by glutSetCursor().
SEE ALSO
glutGet(3) glutDeviceGet(3) glutGetModifiers(3) glutLayerGet(3) glutDestroyWindow(3) glutMainLoop(3) glutInitDisplayMode(3) glutInit(3)
glutInitWindowSize(3) glutInitWindowPosition(3) glutSetCursor(3)
Epoch