Processing Management in Operating System in tamil
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- เผยแพร่เมื่อ 8 ก.ย. 2024
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What is process management in operating system in Tamil
operating system is a system software
Process management- Process should be able to communicate with the operating system to perform simple tasks such as starting a new process or signaling the end of process execution.
1.Process states and state transitions
When a user runs a program,processes are created and inserted into the ready list.
Ready list is called dispatching and is performed by a system entity called dispatcher.
four states of process states as
ready to running-When a process is dispatched.
running to ready-When a process's quantum expires
running to blocked-When a process blocks
blocked to ready-When a process wakes up
2. Process control Blocks
It must be able to identify each process therefore it assigns process identification number to the process,Next the OS creates process control block also called process descriptors,which maintains information that the OS needs to manage the process.
3.Process Operations
create process
destroy process
suspend process
resume process
change process's priority
block process
wakeup process
dispatch process
Enable a process to communicate with another process.
4. Suspended and resume
Temporily stops a process from executing then restart it again.
5.Context switching
Involves storing the context or state of a process so that it can be reloaded when required and execution can be resumed from the same point as earlier.This is a feature of multitasking
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