function of Operating Management.
Q-2 What is Operating System? Describe its main function.
Ans.
An
interface between the User and Computer is known as operating
system, we also called resource management in place of operating system .an operating
system is a software which perform all the basic tasks like memory management, process
management , file management handling the component like drives , printer etc..Example of
operating system is UNIX, Linux, Windows, and AIX
etc...
Ø Following is the function of Operating
Management.
·
Process Management : The Operating System also Treats
the Process Management means all the Processes those are given by the user or
the Process those are System ‘s own Process are Handled by the Operating System . The Operating
System will Create the Priorities for the user and also Start or Stops the
Execution of the Process and Also Makes the Child Process after dividing the
Large Processes into the Small Processes.
·
Memory Management: Operating
System also Manages the Memory of the Computer System means Provide the Memory
to the Process and Also De-allocate the Memory from the Process. And also
defines that if a Process gets completed then this will de-allocate the Memory
from the Processes.
·
Extended Machine : Operating
System also behaves like an Extended Machine means Operating system also
Provides us Sharing of Files between Multiple Users, also Provides Some
Graphical Environments and also Provides Various Languages for Communications
and also Provides Many Complex Operations like using Many Hardware’s and
Software’s
·
Other
Important Activities
Following are some of
the important activities that an Operating System performs –
o
Security − By means of password and similar
other techniques, it prevents unauthorized access to programs and data.
o Control
over system performance − Recording
delays between request for a service and response from the system.
o Job
accounting − Keeping track of time
and resources used by various jobs and users.
o
Error detecting aids − Production of dumps, traces,
error messages, and other debugging and error detecting aids.
