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A job scheduler is a computer application for controlling unattended background program execution of jobs. [1] This is commonly called batch scheduling, as execution of non-interactive jobs is often called batch processing, though traditional job and batch are distinguished and contrasted; see that page for details.
A batch window is "a period of less-intensive online activity", [11] when the computer system is able to run batch jobs without interference from, or with, interactive online systems. A bank's end-of-day (EOD) jobs require the concept of cutover , where transaction and data are cut off for a particular day's batch activity ("deposits after 3 PM ...
Job control has developed from the early days of computers where human operators were responsible for setting up, monitoring and controlling every job, to modern operating systems, which take on the bulk of the work of job control. Even with a highly sophisticated scheduling system, some human intervention is desirable.
The scheduler is an operating system module that selects the next jobs to be admitted into the system and the next process to run. Operating systems may feature up to three distinct scheduler types: a long-term scheduler (also known as an admission scheduler or high-level scheduler), a mid-term or medium-term scheduler, and a short-term ...
It can be used to execute batch jobs on networked Unix and Windows systems on many different architectures. [2] [3] LSF was based on the Utopia research project at the University of Toronto.
In system software, a job queue (a.k.a. batch queue, input queue), is a data structure maintained by job scheduler software containing jobs to run. [1] Users submit their programs that they want executed, "jobs", to the queue for batch processing. The scheduler software maintains the queue as the pool of jobs available for it to run.
PTC Software is a UK-based company which specialises in the development and distribution of enterprise systems management (ESM) software products. PTC was formed in 1983 to provide a range of Systems Management utilities to the users of Honeywell Bull’s large mainframe computers. PTC’s first package was an early Job Scheduling solution ...
Batch production scheduling is the practice of planning and scheduling of batch manufacturing processes. Although scheduling may apply to traditionally continuous processes such as refining, [ 1 ] [ 2 ] it is especially important for batch processes such as those for pharmaceutical active ingredients, biotechnology processes and many specialty ...