CS 414/415 Systems Programming and Operating Systems
... • Simple batch systems (mid1950s – mid 1960s) – Permanently resident OS in primary memory – Loaded a single job from card reader, ran it, loaded next job... – Control cards in the input file told the OS what to do – Spooling allowed jobs to be read in advance onto tape/disk ...
... • Simple batch systems (mid1950s – mid 1960s) – Permanently resident OS in primary memory – Loaded a single job from card reader, ran it, loaded next job... – Control cards in the input file told the OS what to do – Spooling allowed jobs to be read in advance onto tape/disk ...
Operating System Software The OS
... your kitchen doesn't need an operating system. The computer in a microwave oven simply runs a single program all the time. ...
... your kitchen doesn't need an operating system. The computer in a microwave oven simply runs a single program all the time. ...
System Software - Computing Systems` Blog
... which are loaded into the CPU, and the CPU starts by executing the system software which is stored on the motherboard. • The startup programs are stored in ROM circuits which contain data, and can only be read. • BIOS is important system software, only after these programs have been loaded and execu ...
... which are loaded into the CPU, and the CPU starts by executing the system software which is stored on the motherboard. • The startup programs are stored in ROM circuits which contain data, and can only be read. • BIOS is important system software, only after these programs have been loaded and execu ...
B - 周清江副教授
... next instruction to be processed by a different process (C) determines which process is to be executed next (D) is an example of a process queue 9. What is the only way in UNIX to create a new process? (A) s = execve (name, argv, environp) (B) s = mount (special, name, flag) (C) n = write (fd, buffe ...
... next instruction to be processed by a different process (C) determines which process is to be executed next (D) is an example of a process queue 9. What is the only way in UNIX to create a new process? (A) s = execve (name, argv, environp) (B) s = mount (special, name, flag) (C) n = write (fd, buffe ...
Operating System Structures
... − Resource allocation - When multiple users or multiple jobs running concurrently, resources must be allocated to each of them ...
... − Resource allocation - When multiple users or multiple jobs running concurrently, resources must be allocated to each of them ...
CS307-slides13
... Venus carries out path-name translation component by component The UNIX file system is used as a low-level storage system for both servers ...
... Venus carries out path-name translation component by component The UNIX file system is used as a low-level storage system for both servers ...
View File
... • File management - Create, delete, copy, rename, print, dump, list, and generally manipulate files and directories • Status information – Some ask the system for info - date, time, amount of available memory, disk space, number of users – Others provide detailed performance, logging, and debugging ...
... • File management - Create, delete, copy, rename, print, dump, list, and generally manipulate files and directories • Status information – Some ask the system for info - date, time, amount of available memory, disk space, number of users – Others provide detailed performance, logging, and debugging ...
Operating System
... interactive jobs • Processor’s time is shared among multiple users • Multiple users simultaneously access the system through terminals ...
... interactive jobs • Processor’s time is shared among multiple users • Multiple users simultaneously access the system through terminals ...
Computers
... Information flow control: manage the distribution of information to the proper location ...
... Information flow control: manage the distribution of information to the proper location ...
Unit OS1: The Evolution of Operating Systems
... Single user Multiuser/Timesharing Systems Management of multiple simultaneous users interconnected via terminals Fair resource management: CPU scheduling, spooling, mutual exclusion Real-Time Systems (process control systems) Management of time-critical processes High requirements with respect to re ...
... Single user Multiuser/Timesharing Systems Management of multiple simultaneous users interconnected via terminals Fair resource management: CPU scheduling, spooling, mutual exclusion Real-Time Systems (process control systems) Management of time-critical processes High requirements with respect to re ...
Allowable Process States - Universitas Pendidikan Indonesia
... • Another limitation of DOS was the lack of a graphical user interface. The desire for an interactive, graphical interface (influenced by the Apple Macintosh). – Several programs running under MS-DOS introduced their own graphical interfaces, however, this did not provide much consistency. “Non-Micr ...
... • Another limitation of DOS was the lack of a graphical user interface. The desire for an interactive, graphical interface (influenced by the Apple Macintosh). – Several programs running under MS-DOS introduced their own graphical interfaces, however, this did not provide much consistency. “Non-Micr ...
MS-DOS-&-PC-DOS-by-Lindsey-Buranych-Alan-Crouch
... • Another limitation of DOS was the lack of a graphical user interface. The desire for an interactive, graphical interface (influenced by the Apple Macintosh). – Several programs running under MS-DOS introduced their own graphical interfaces, however, this did not provide much consistency. “Non-Micr ...
... • Another limitation of DOS was the lack of a graphical user interface. The desire for an interactive, graphical interface (influenced by the Apple Macintosh). – Several programs running under MS-DOS introduced their own graphical interfaces, however, this did not provide much consistency. “Non-Micr ...
System
... Simple Batch Systems: • Monitors – Software that controls the running programs – Batch jobs together – Program branches back to monitor when finished – Resident monitor is in main memory and available for execution ...
... Simple Batch Systems: • Monitors – Software that controls the running programs – Batch jobs together – Program branches back to monitor when finished – Resident monitor is in main memory and available for execution ...
Here is the Original File
... AIX uses a Logical Volume Manager which allows for the use of many physical storage devices of varying capacity to appear to the operating system as one large device. This device can then be virtually split up into any number of smaller logical devices and used as partitions of any size. IBM develop ...
... AIX uses a Logical Volume Manager which allows for the use of many physical storage devices of varying capacity to appear to the operating system as one large device. This device can then be virtually split up into any number of smaller logical devices and used as partitions of any size. IBM develop ...
Operating System
... hardware informs the OS of special conditions that require OS attention • Interrupts cause the CPU not to execute the ...
... hardware informs the OS of special conditions that require OS attention • Interrupts cause the CPU not to execute the ...
Course Syllabus
... This course will cover the basic principles of operating system design and implementation. Concurrent processes, inter-process communication, job and process scheduling; deadlock. Issues in memory management (virtual memory, segmentation, and paging) and auxiliary storage management (file systems, d ...
... This course will cover the basic principles of operating system design and implementation. Concurrent processes, inter-process communication, job and process scheduling; deadlock. Issues in memory management (virtual memory, segmentation, and paging) and auxiliary storage management (file systems, d ...
Powerpoint source
... • Supports communication between parts of a job or different jobs – Interprocess communication • Sharing of distributed resources, hardware and software – Resource utilization and access • Permits some parallelism, but speedup is not the issue ...
... • Supports communication between parts of a job or different jobs – Interprocess communication • Sharing of distributed resources, hardware and software – Resource utilization and access • Permits some parallelism, but speedup is not the issue ...
Two general strategies for creating multiple threads
... By the time Windows XP was designed, Windows architecture had become more monolithic than microkernel. ...
... By the time Windows XP was designed, Windows architecture had become more monolithic than microkernel. ...
資工系網媒所NEWS實驗室Chapter 2
... Another set of OS functions exists for ensuring the efficient operation of the system itself via resource sharing Resource allocation - When multiple users or multiple jobs running concurrently, resources must be allocated to each of them Many types of resources - Some (such as CPU cycles,mainmemory ...
... Another set of OS functions exists for ensuring the efficient operation of the system itself via resource sharing Resource allocation - When multiple users or multiple jobs running concurrently, resources must be allocated to each of them Many types of resources - Some (such as CPU cycles,mainmemory ...
operating system
... • The operating system is responsible for the following activities in connections with memory management: – Keep track of which parts of memory are currently being used and by whom. – Decide which processes to load when memory space becomes available. – Allocate and de-allocate memory space as neede ...
... • The operating system is responsible for the following activities in connections with memory management: – Keep track of which parts of memory are currently being used and by whom. – Decide which processes to load when memory space becomes available. – Allocate and de-allocate memory space as neede ...
Operating Systems
... • Some operating systems allow a background process to occur at the same time as a foreground interactive process. • The foreground process is the one that accepts input from the keyboard, mouse, or other input device. Background processes cannot accept interactive input from a user, but they can ac ...
... • Some operating systems allow a background process to occur at the same time as a foreground interactive process. • The foreground process is the one that accepts input from the keyboard, mouse, or other input device. Background processes cannot accept interactive input from a user, but they can ac ...
Examination paper
... on the course “Introduction to operating systems A” 07-04-24 Lecturer: Alexander Kozynchenko, ITM/IKS The maximum number of points – 44. 35 - 44: VG ...
... on the course “Introduction to operating systems A” 07-04-24 Lecturer: Alexander Kozynchenko, ITM/IKS The maximum number of points – 44. 35 - 44: VG ...
Module 3: Operating
... File-system manipulation – program capability to read, write, create, and delete files. Communications – exchange of information between processes executing either on the same computer or on different systems tied together by a network. Implemented via shared memory or message passing. Error d ...
... File-system manipulation – program capability to read, write, create, and delete files. Communications – exchange of information between processes executing either on the same computer or on different systems tied together by a network. Implemented via shared memory or message passing. Error d ...