W. Stallings, Operating Systems Internal and Design Principles
... • timer: a single job must not monopolize the system; • interrupts: OS can relinquish control to and regain control from user programs; • privileged instructions: certain machine level instructions can be executed only by the monitor; • memory protection: a user program must not alter memory area co ...
... • timer: a single job must not monopolize the system; • interrupts: OS can relinquish control to and regain control from user programs; • privileged instructions: certain machine level instructions can be executed only by the monitor; • memory protection: a user program must not alter memory area co ...
Ch 5 Quick Quiz
... T F 3. The most recent version of Windows is Windows XP. T F 4. File management programs can be used to copy files from one storage medium to another. T F 5. Antivirus programs make files smaller so that they can be transmitted faster via the Internet. ...
... T F 3. The most recent version of Windows is Windows XP. T F 4. File management programs can be used to copy files from one storage medium to another. T F 5. Antivirus programs make files smaller so that they can be transmitted faster via the Internet. ...
Introduction to operating systems
... Single machine running one application at a time. Has it’s own resources (e.g. printer). ...
... Single machine running one application at a time. Has it’s own resources (e.g. printer). ...
tutorial-02-with
... they should have access to and to access them only when the y are otherwise unused. c) File-system manipulation. There are many details in file creation, deletion, allocation, and naming that users should not have to perform. Blocks of disk space are used by files and must be tracked. Deleting a fil ...
... they should have access to and to access them only when the y are otherwise unused. c) File-system manipulation. There are many details in file creation, deletion, allocation, and naming that users should not have to perform. Blocks of disk space are used by files and must be tracked. Deleting a fil ...
Chapter 2
... The OS is a set of programs that controls access to the hardware and software resources of the computer. kernel - the part of the OS that supervises the overall operation of the OS – resident when computer is on (stored in main memory) ...
... The OS is a set of programs that controls access to the hardware and software resources of the computer. kernel - the part of the OS that supervises the overall operation of the OS – resident when computer is on (stored in main memory) ...
Chapter 3: System Software
... Copy files Move files System/file backup Rename files Erase files ...
... Copy files Move files System/file backup Rename files Erase files ...
application programs
... OS provides an environment where the user can conveniently run programs. The user does not have to worry about memory allocation or CPU scheduling. I/O Operations Each program requires input and produces output. The OS hides some of the details of the underlying hardware for such I/O. All the user ...
... OS provides an environment where the user can conveniently run programs. The user does not have to worry about memory allocation or CPU scheduling. I/O Operations Each program requires input and produces output. The OS hides some of the details of the underlying hardware for such I/O. All the user ...
An Introduction to Operating Systems
... OS provides an environment where the user can conveniently run programs. The user does not have to worry about memory allocation or CPU scheduling. ¾ I/O Operations Each program requires input and produces output. The OS hides some of the details of the underlying hardware for such I/O. All the user ...
... OS provides an environment where the user can conveniently run programs. The user does not have to worry about memory allocation or CPU scheduling. ¾ I/O Operations Each program requires input and produces output. The OS hides some of the details of the underlying hardware for such I/O. All the user ...
OS 2200
OS 2200 is the operating system for the Unisys ClearPath Dorado family of mainframe systems. The operating system kernel of OS 2200 is a lineal descendant of Exec 8 for the UNIVAC 1108. Documentation and other information on current and past Unisys systems can be found on the Unisys public support website.See Unisys 2200 Series system architecture for a description of the machine architecture and its relationship to the OS 2200 operating system.