O p e r a t i n g S y s t e m s - N a n d i n i A g a r w a l

M i c r o s o f t This is a Windows Desktop. You can customize it, make a few changes and add a few things too. The tiny symbols on the left are the icons and the bar on the bottom is the taskbar. The layout is very comfortable and convenient to use.

L i n u x T h i s i s h o w t h e L i n u x d e s k t o p l o o k s. T h e s o f t w a r e i s c o m p l i c a t e d. T h e L i n u x O p e r a t i n g S y s t e m h a s p r i m a r i l y t h r e e c o m p o n e n t s K e r n e l - K e r n e l i s t h e c o r e p a r t o f L i n u x. I t i s r e s p o n s i b l e f o r a l l m a j o r a c t i v i t i e s o f t h i s o p e r a t i n g s y s t e m. I t i s c o n s i s t s o f v a r i o u s m o d u l e s a n d i t i n t e r a c t s d i r e c t l y w i t h t h e u n d e r l y i n g h a r d w a r e. K e r n e l p r o v i d e s t h e r e q u i r e d a b s t r a c t i o n t o h i d e l o w l e v e l h a r d w a r e d e t a i l s t o s y s t e m o r a p p l i c a t i o n p r o g r a m s. S y s t e m L i b r a r y - S y s t e m l i b r a r i e s a r e s p e c i a l f u n c t i o n s o r p r o g r a m s u s i n g w h i c h a p p l i c a t i o n p r o g r a m s o r s y s t e m u t i l i t i e s a c c e s s e s K e r n e l ' s f e a t u r e s. T h e s e l i b r a r i e s i m p l e m e n t s m o s t o f t h e f u n c t i o n a l i t i e s o f t h e o p e r a t i n g s y s t e m a n d d o n o t r e q u i r e s k e r n e l m o d u l e ' s c o d e a c c e s s r i g h t s. S y s t e m U t i l i t y - S y s t e m U t i l i t y p r o g r a m s a r e r e s p o n s i b l e t o d o s p e c i a l i z e d, i n d i v i d u a l l e v e l t a s k s.

M a c i n t o s h This is the Macintosh desktop. The mac has a different variety of stuff. For instance…Mac OS X supports multi-touch gestures. Another recent feature is the use of full- screen apps originally intended for Apple's mobile devices running iOS. There's an auto-save feature that will help prevent you from losing work.

U b u n t u The Ubuntu desktop is very creative and helpful. Type any query into the Home, and the smart scopes server will determine which categories of content are the most relevant to your search and return only the best results. The smart scopes server constantly improves its results by learning which categories and results are most useful to you over time.

U n i x The Unix desktop is very original yet easy to use. It is a multi-user and multi-tasking operator. More than one program can be run at a time. The software consists of debuggers, compilers etc.

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