25-09-2012, 12:43 PM
Network Operating Systems
Network Operating Systems.PDF (Size: 551.89 KB / Downloads: 174)
Contents and copyrights
• Digital House appliances Forum, 2002
• Digital information are easy to copy
– Network enables sharing of the information
• Digital copyright protection
– CSS (Contents scramble system)
– AEA (Advanced Encryption standard)
– CPPM (Content Protection for Prerecorded Media)
– CPRM (Content Protection for Recordable Media)
– DTCP (Digital Transmission Content Protection)
– DDCP (High-bandwidth Digital Content Protection )
What is an Operating system?
• 2 kinds of a software
– Application Software
• Word processors, database manager, compiler,
web browser
– System Software
• Operating system itself
• Bridges between the hardware and users
Resource management
• Memory management
• Device management
– Printer
– Hard drive
– display
• Process management
• Processor management
History of UNIX
• Development of TSS @ Multix
– TSS development :AT&T, GE, MIT
• 1976 Bell Lab. UNIX Version 6
– Mini Computer
– DEC: PDP-9(16bit, 256K)
– Small TSS
– Free source code for the Software
– Abstraction based on the file system
How PC Boots up?
• Tie up your own boot
• POST
– Power On Self Test
• When you power on the computer
• Clears the CPU memory register
• Sets the CPU program counter to F000
• Reads the program fixed in f000 from the BIOS
• Which is the check program for basic systems
• Checks system bus
• Checks its own memory
Post installation configuration
• Pre packaged software installation
• Password and user configuration
• Time zone configuration
• X window configuration
• Start up service configuration
Network Operating Systems.PDF (Size: 551.89 KB / Downloads: 174)
Contents and copyrights
• Digital House appliances Forum, 2002
• Digital information are easy to copy
– Network enables sharing of the information
• Digital copyright protection
– CSS (Contents scramble system)
– AEA (Advanced Encryption standard)
– CPPM (Content Protection for Prerecorded Media)
– CPRM (Content Protection for Recordable Media)
– DTCP (Digital Transmission Content Protection)
– DDCP (High-bandwidth Digital Content Protection )
What is an Operating system?
• 2 kinds of a software
– Application Software
• Word processors, database manager, compiler,
web browser
– System Software
• Operating system itself
• Bridges between the hardware and users
Resource management
• Memory management
• Device management
– Printer
– Hard drive
– display
• Process management
• Processor management
History of UNIX
• Development of TSS @ Multix
– TSS development :AT&T, GE, MIT
• 1976 Bell Lab. UNIX Version 6
– Mini Computer
– DEC: PDP-9(16bit, 256K)
– Small TSS
– Free source code for the Software
– Abstraction based on the file system
How PC Boots up?
• Tie up your own boot
• POST
– Power On Self Test
• When you power on the computer
• Clears the CPU memory register
• Sets the CPU program counter to F000
• Reads the program fixed in f000 from the BIOS
• Which is the check program for basic systems
• Checks system bus
• Checks its own memory
Post installation configuration
• Pre packaged software installation
• Password and user configuration
• Time zone configuration
• X window configuration
• Start up service configuration